OBD-II Code C0675: Right Front Suspension Position Sensor Circuit

What Does C0675 Mean?

C0675 indicates the Suspension Control Module (SCM) detected an electrical circuit fault for the right front suspension position sensor (height sensor). This sensor tells the computer the exact position and movement of that corner's suspension, allowing real-time shock absorber adjustments. When the signal is lost, erratic, or out of range, the computer disables the electronic suspension as a safety precaution and logs C0675.

Technical definition: The Suspension Control Module (SCM) determined the signal voltage from the Right Front Position Sensor is too low (<0.5V, indicating a short to ground), too high (>4.5V, indicating an open circuit or short to voltage), or not changing as expected when the vehicle is in motion (e.g., signal changes too slow above 19 MPH) for 1.5 to 2.5 seconds.

Can I Drive With C0675?

Yes, But With Caution. You can drive, but the electronic suspension system disables itself, defaulting to a stiff setting. This causes a harsh ride, reduces handling stability, and accelerates uneven tire wear. Do not drive if a system fault causes the vehicle to sit extremely low or high, as it is unsafe.

Common Causes

• Damaged Wiring Harness or Connector (Very Common) — The wiring and electrical connector are exposed to harsh road conditions. Wires chafe against the frame, get pinched, or suffer from water intrusion that corrodes the connector pins. On GM SUVs, the main harness rubbing against the frame near the rear axle frequently causes shorts that trigger this front sensor code.
• Failed Right Front Suspension Position Sensor (Common) — The sensor constantly articulates with the suspension. Over time, internal contacts wear out or moisture penetrates the housing, causing complete failure.
🎬 Watch: Step-by-step right front sensor replacement on a Cadillac SRX.
• Broken or Disconnected Sensor Linkage Arm (Common) — A small plastic or metal arm connects the sensor's lever to the suspension control arm. This linkage becomes brittle and breaks or pops off its ball joints, causing the sensor to stop reading suspension movement.
• Ferrous Debris on Magnetic Encoder Ring (Less Common) — The wheel speed sensor works with a magnetic encoder ring on the wheel bearing. Metallic debris stuck to this ring interferes with the sensor signals the SCM uses for reference, triggering suspension codes (noted in GM TSB PIC5428D).
• Incorrect Part Installation or Calibration (Rare) — Installing a new sensor in the wrong orientation or failing to perform a required scan-tool calibration procedure prevents correct operation. Using an incompatible updated sensor without updating the control module also sets this code.
• Failed Suspension Control Module (SCM) (Rare) — The SCM itself occasionally fails. Only suspect the SCM after thoroughly testing the sensor, linkage, and all wiring to confirm they are in good working order.

Symptoms

• Service Suspension System Warning Light — A "SERVICE SUSPENSION SYSTEM" or similar message appears on the dashboard's driver information center.
• Harsh Ride and Poor Handling — The disabled electronic suspension defaults to a firm, passive state. This prevents the shocks from adjusting to road conditions, resulting in a noticeably poor ride quality, increased body roll, and reduced stability at highway speeds.
• Uneven Vehicle Stance — In vehicles with air suspension, a faulty height signal prevents the air compressor from adjusting that corner, leaving it sitting visibly lower or higher than the others.
🎬 Watch: Troubleshooting GM air suspension and compressor issues.
• Chassis Stabilization Malfunction (BMW) — On BMW vehicles with Electronic Damper Control (EDC), a failure of the equivalent Vertical Acceleration Sensor triggers a 'Chassis Stabilization Malfunction' warning.
• Noise from Corner — A broken or disconnected linkage arm causes a rattling or clunking noise from the affected corner as the loose arm moves around.

Diagnostic Flowchart

Tap your situation to follow the diagnostic path that matches what you're seeing on this code.

Common Fixes & Costs

• Replace Right Front Suspension Position Sensor — Parts: $60 - $150, Labor: $75 - $150, ~0.7 hr book time (DIY)
• Repair Damaged Wiring Harness — Parts: $10 - $30, Labor: $150 - $450, ~3.0 hr book time (Intermediate)
• Replace Sensor Linkage Arm — Parts: $15 - $50, Labor: $50 - $100, ~0.4 hr book time (DIY)
• Clean Magnetic Encoder Ring — Parts: $0, Labor: $75 - $150, ~0.8 hr book time (Intermediate)
• Replace Suspension Control Module (SCM) — Parts: $300 - $800, Labor: $150 - $300, ~1.2 hr book time (Professional)

DIY vs Professional

• Replace Sensor or Linkage Arm — Beginner:
  Tools: Jack and jack stands, basic socket set (e.g., 10mm, 13mm), trim removal tool, torque wrench.
• Repair Damaged Wiring Harness — Beginner:
  Tools: Multimeter, wire cutters/strippers, soldering iron, heat shrink tubing, automotive-grade wiring, wiring diagrams.
• Clean Magnetic Encoder Ring — Beginner:
  Tools: Jack and jack stands, tools to remove wheel and brake caliper, soft nylon brush, mild soap.
• Replace Suspension Control Module (SCM) — Beginner:
  Tools: Professional diagnostic scan tool for programming, socket set, trim removal tools.

Used vs. New Parts: Buying Guide

When a used part is worth it: Buying a used suspension position sensor rarely makes sense. It is an electronic part subject to wear and environmental damage. The risk of receiving a failing part is high, and cost savings are minimal compared to the labor required.

Donor-vehicle mileage cap: roughly under 40000 miles for the part to have meaningful remaining life.

Donor quality checklist:

• Match the part number exactly; variations for 2WD/4WD or different suspension options are common.
• Avoid parts from the 'Salt Belt' or areas with high corrosion.
• Choose a reputable aftermarket brand (e.g., Dorman, Arnott) over a used part with unknown history.

Decision logic:

• If The cost of a new aftermarket part is less than $150 → Buy new. The small savings from a used part are not worth the risk of premature failure and paying for labor twice.
• If The vehicle is very old and an OEM or aftermarket new part is unavailable → A low-mileage used part is the only option. Test it before installation.
• If You are selling the vehicle immediately and need a cheap, temporary fix → A used part turns the warning light off, but this is not a recommended long-term repair.

Warranty tradeoff: Used parts from a salvage yard offer a 30-90 day warranty. New aftermarket parts come with a 1-year to limited lifetime warranty. New OEM parts carry a 1-2 year manufacturer's warranty.

Worst-case if a used part fails: $200 - $400. If a used part fails shortly after the warranty period, you pay for labor again ($100-$200) plus the cost of another part.

What Happens If You Wait — Timeline

1. 0-1 month: Code is set and 'Service Suspension System' light is on. The electronic damping system disables itself, defaulting to a firm, passive setting. The ride becomes noticeably harsh and bouncy. (MPG impact: 0%% · Added cost: $0)
2. 1-6 months: The constant harsh ride and uncontrolled suspension movement cause 'cupping' or scalloped wear on the tires. Handling degrades, with increased body roll and less stability during braking. (MPG impact: 0%% · Added cost: $300 - $800)
3. 6-12 months: Tire wear becomes severe, requiring replacement. The increased vibration puts significant stress on ball joints, control arm bushings, and tie rod ends, causing them to wear out faster. (MPG impact: 0%% · Added cost: $800 - $2000)
4. 12+ months: Multiple suspension components are damaged. The vehicle has clunking noises, poor alignment, and feels unsafe to drive. A simple sensor fix cascades into a full suspension overhaul. (MPG impact: 0%% · Added cost: $2000 - $5000+)

Cost of Not Fixing It

• 0-3 months: Harsh, uncomfortable ride and reduced handling stability, especially during emergency maneuvers. This poses a safety risk. (Added cost: Negligible)
• 3-12 months: Accelerated and uneven tire wear, specifically 'cupping' or 'scalloping', requiring premature tire replacement. (Added cost: $600 - $1500)
• 12+ months: Excessive stress on suspension components, such as ball joints, control arm bushings, and shock absorbers, leading to a complex repair. (Added cost: $1000 - $3000+)

Diagnosis Steps

1. Read Chassis Trouble Codes
   Use an OBD-II scanner that reads Chassis (C-codes) to confirm C0675. Document any other codes. You must diagnose codes for the 5V reference circuit (C0870) or module communication (U-codes) first, as the sensor cannot function without them.
   Tools: OBD-II Scanner (with Chassis/Body support) (Beginner)
2. Thorough Visual Inspection
   Safely raise the vehicle. Inspect the right front sensor, linkage arm, and wiring harness for broken parts, chafed wires, or corrosion. On GM trucks/SUVs, expand your inspection to the main harness routed over the rear axle, a known chafe point.
   Tools: Flashlight, Jack and Jack Stands (Beginner)
3. Analyze Live Sensor Data
   Using an advanced scanner, view the live data stream for the right front suspension position sensor. Normal voltage sits between 0.5V and 4.5V and fluctuates smoothly as you bounce that corner. A reading stuck at 0V or 5V confirms a hard circuit fault.
   Tools: Advanced OBD-II Scanner (Intermediate)
4. Pro Tip: Test Circuit at the Connector
   Disconnect the sensor and turn the ignition on. Use a multimeter to probe the harness-side connector to verify a 5-volt reference (4.8-5.2V on terminal 1), a solid ground (<5 ohms to chassis ground on terminal 3), and signal wire bias voltage (4.8-5.2V on terminal 2). Missing reference or ground points to a wiring issue back to the SCM.
   Tools: Multimeter, Back-probe Kit (Intermediate)
5. Advanced: Sensor Resistance Test
   For 3-wire potentiometer sensors, test internal resistance. Disconnect the sensor and measure resistance between the 5V reference and ground pins. Connect the multimeter to the signal pin and manually move the linkage arm. Resistance must change smoothly. Erratic readings or infinite resistance (OL) confirms a faulty sensor.
   Tools: Multimeter, Sensor Pinout Diagram (Advanced)
6. Pro Tip: Oscilloscope Waveform Analysis
   For intermittent issues, back-probe the signal wire at the SCM with an oscilloscope while driving over bumps. A good sensor produces a clean waveform mirroring suspension travel. Dropouts or noise confirm failure under load.
   Tools: Oscilloscope, Back-probe Kit (Advanced)
7. Check for Debris on Wheel Bearing Encoder
   Per GM TSB PIC5428D, inspect the magnetic encoder ring on the inboard side of the wheel bearing hub. Clean off accumulated metallic debris using a soft nylon brush and mild soap, as this disrupts sensor readings.
   Tools: Nylon Brush, Mild Soap, Jack and Jack Stands (Intermediate)
8. Test or Replace the Sensor/Linkage
   If wiring provides correct power, ground, and signal integrity, replace the sensor or broken linkage. Clear the codes and test drive. Some vehicles require a 'Trim Height Learn' procedure with a scan tool after replacement.
   Tools: Basic Hand Tools (e.g., 10mm socket set) (DIY)

When This Code Triggers (Freeze-Frame Conditions)

• Vehicle Speed: 19-55 mph (The SCM runs this diagnostic while the vehicle is in motion to verify the sensor signal changes with road conditions.)
• Engine RPM: 1200-2500 (Typical for steady cruise or light acceleration when the fault is detected.)
• System Voltage: 12.6-14.8V (Normal operating voltage; the test requires stable power to the SCM.)
• Time Since Start: 5-15 minutes (Fault logs after the vehicle runs long enough for the SCM to perform self-checks.)

Related Codes

• C0670 — The identical code for the Left Front Suspension Position Sensor. If C0670 and C0675 appear together, suspect a shared cause like the SCM, a common wiring harness chafe point, or a shared power/ground issue.
• C0870 — Indicates a fault in the 5-volt reference circuit from the SCM. The position sensor needs this 5V signal to function. Diagnose C0870 first. Fixing the reference circuit clears both codes.
• U0139 — A communication code meaning 'Lost Communication With Suspension Control Module'. Points to a severed wiring harness, a failed SCM, or a power/ground issue to the module itself. You cannot diagnose the sensor until communication is restored.
• C0040 — Code for the Right Front Wheel Speed Sensor. The SCM uses wheel speed data to detect implausible signals from the position sensor. Debris on the hub's magnetic ring causes both types of codes.

Climate & Environmental Factors

• Cold Climates / Road Salt: Vehicles operated in regions with heavy road salt usage see a significantly higher failure rate for this code. Salt and moisture accelerate the corrosion of the sensor's internal components, electrical connector pins, and linkage arm, leading to electrical faults or mechanical breakage.

How to Talk to a Mechanic About This Code

Say this: "I have a 'Service Suspension System' light and my scanner shows code C0675 for the right front suspension position sensor. I'd like to book a diagnostic appointment. Please start by testing the sensor's wiring circuit for power, ground, and signal before recommending a new sensor, as I know wiring is a common issue."

This signals to the shop that you are an informed customer. It directs them to perform a proper electrical diagnosis instead of replacing the most obvious part, saving you money by preventing misdiagnosis.

Avoid saying:

• 'My suspension is acting weird.'
• 'The ride is really bumpy, can you check it out?'
• 'Just fix whatever is wrong with the suspension.'

Questions to ask before authorizing the repair:

• Did you test the sensor connector for the 5-volt reference and a good ground? What were the readings?
• Did you inspect the wiring harness for any visible damage, chafing, or corrosion?
• If I have a GM truck/SUV, did you inspect the harness over the rear axle, which is a known problem area?
• If the sensor needs to be replaced, does my vehicle require a ride height calibration after installation?
• Can you provide me with a written estimate that separates the cost of parts and labor?

Where to Take It: Dealer vs Independent vs Chain

• Dealer: Recommended for in-warranty repairs or if module replacement and programming is required. Otherwise, a qualified independent shop is more cost-effective.
  Best for: Vehicles under warranty., Complex electrical or module programming issues (e.g., SCM replacement)., Known manufacturer-specific issues covered by a TSB.
  Downsides: Highest labor rates., Recommends replacing an entire expensive assembly (like a MagneRide strut) when only a smaller component failed. (Typical cost: +50% vs. baseline)
• Independent Shop: Best fit for most C0675 repairs. Find a shop with strong electrical diagnostic reviews, as this code is often a circuit issue.
  Best for: Out-of-warranty vehicles., Diagnosing and repairing common causes like a failed sensor, broken linkage, or known wiring chafe points., Owners seeking a better value than the dealership.
  Downsides: Shop quality and diagnostic skill vary greatly. Ensure they have experience with electronic suspension systems., Lacks expensive, specialized tools for programming new control modules. (Typical cost: +0% vs. baseline)
• Chain Shop: Use with caution. Acceptable for a simple sensor replacement if you are certain of the diagnosis, but AVOID for initial diagnosis of the C0675 code due to the high risk of misdiagnosis.
  Best for: Simple, straightforward parts replacement where the diagnosis is already certain.
  Downsides: Technician skill varies dramatically; lacks the expertise for proper electrical diagnosis., High pressure to upsell unnecessary services, such as replacing all four shocks when only one sensor is bad. (Typical cost: -10% vs. baseline)

When to Walk Away From the Repair

If the estimated repair cost exceeds 40-50% of the car's private-party value, seriously consider selling or trading in the vehicle instead of repairing it.

• Car worth $15000, fix is $450: Fix it. This is a routine repair cost and is well below the threshold.
• Car worth $8000, fix is $2800: Borderline. This is a significant repair (e.g., dealer-quoted MagneRide strut). Get a second opinion from an independent shop before authorizing.
• Car worth $4000, fix is $2200: Walk away. The repair cost is over half the car's value. It is not an economically sound repair.

What Scan Tool You Need for This Code

Minimum: A scanner that reads Chassis (C) codes and displays live data. A basic engine-only code reader will NOT see code C0675.

A cheap, generic OBD-II reader that only pulls 'P' (Powertrain) codes is useless for this problem. You need a tool that accesses the Chassis control modules (ABS, SCM) to read the C0675 code and view the live voltage data from all four suspension sensors to confirm the fault.

Budget: BlueDriver Pro (~$120) — Connects to your smartphone via Bluetooth. It reads and clears Chassis codes like C0675, views freeze frame data, and graphs live data from the suspension sensors, which is essential for diagnosis.

Mid-range: Foxwell NT510 Elite (~$180) — A powerful handheld scanner offering deep, manufacturer-specific diagnostics for one chosen car brand. It reads/clears codes, shows live data, and performs bi-directional tests on suspension components to confirm if a part is working.

Professional: Autel MaxiCOM MK808S (~$450) — A professional-level tablet scanner with extensive vehicle coverage. It provides full bi-directional control, allowing you to command suspension system components directly. It includes advanced service functions like ride height calibration, required after sensor replacement.

Rent vs buy: Auto parts stores offer free loaner tools, but their basic code readers often cannot read Chassis codes. You need to purchase your own scanner or pay for a professional diagnosis. Buying a tool like the BlueDriver or Foxwell NT510 is a worthwhile investment for DIY repairs.

How to Clear the Code After You Fix It

1. Use an OBD-II scan tool capable of reading Chassis codes to clear the fault.
2. Perform a test drive to verify the 'Service Suspension System' message does not return.
3. Perform a 'Trim Height Learn' or calibration procedure with a scan tool if required by the manufacturer.

Drive cycle (~20 minutes): After clearing the code, perform a 15-20 minute test drive including city (<40 mph) and highway (>50 mph) speeds. Driving over varied surfaces helps the SCM verify the new sensor provides a plausible signal.

Readiness monitors affected: None

Before emissions retest: drive at least 50 miles to fully set monitors.

Watch out for:

• Clearing the code without performing the repair causes the code to return immediately.
• Disconnecting the battery temporarily turns off the light, but the code stores again once the fault is detected.
• Forgetting to perform a required ride height calibration after replacing a sensor causes the code to return.

Will This Fail Emissions / State Inspection?

No — by itself this code doesn't fail OBD inspection (but it can keep readiness monitors from setting, which causes a separate fail).

• California: This Chassis (C-code) does not directly fail the emissions smog check. However, clearing codes to turn off the light sets emissions readiness monitors to 'Not Ready', causing an automatic failure. An illuminated 'Service Suspension' light leads to failure at the inspector's discretion.
• New York: NYS has a separate Safety Inspection checking the suspension, chassis, and frame. An active 'Service Suspension System' warning light or visibly damaged suspension components causes a safety inspection failure.
• Texas: As of 2025, annual safety inspections are no longer required for most non-commercial vehicles. In the 17 counties requiring an emissions test, clearing the C-code resets emissions monitors, causing a failure if the vehicle is not driven sufficiently before the test.

Most Commonly Affected Vehicles

• Chevrolet Tahoe / Suburban (2007-2020) — Extremely prone to this code. The cause is often wiring harness chafing against the frame above the rear axle, but sensor failures are also common.
• Cadillac Escalade (2007-2020) — Shares the GMT platform with Tahoe/Yukon and suffers from the exact same wiring harness and sensor failure issues.
• GMC Yukon / Yukon XL (2007-2020) — Highly susceptible to C0675 from both sensor failure and the notorious rear wiring harness damage.
• Cadillac SRX (2010-2016) — Models with electronic suspension (RPO F45) frequently experience failures of the front position sensors. Replacement is a straightforward DIY job.
• Buick LaCrosse (2010-2013) — TSB PI0954 states that on 2010 models built before Jan 31, 2010, replacing a sensor requires replacing the SCM with an updated part.
• Opel/Vauxhall Insignia / Astra J (2009-2011) — TSB 2718 identifies internal wiring breaks within the suspension harness causing C0675. The fix is replacing the harness on both sides with an improved part.
• BMW 3-Series, 4-Series, X-series with EDC (2012-2024) — BMW uses different codes, but a failure of the equivalent 'Vertical Acceleration Sensor' is common, causing a 'Chassis Stabilization Malfunction' warning.
• Chevrolet Corvette (2005-2013) — Models with Magnetic Selective Ride Control (RPO F55) set this code due to a failed sensor or damage to the exposed wiring near the wheel.

Manufacturer-Specific Notes

• General Motors (Trucks/SUVs): The main body wiring harness rubs against the frame or fuel tank shield above the rear axle near the spare tire. This chafing breaks wires for the suspension sensors, wheel speed sensors, and CAN bus lines, causing C0675 and other unrelated codes.
• General Motors (Buick LaCrosse): Per TSB PI0954, on 2010 Buick LaCrosse models built before January 31, 2010, replacing a failed position sensor requires you to ALSO replace the Suspension Control Module with an updated part (PN 20923493). New service sensors are incompatible with the original module.
• General Motors (Various Models): Per TSB PIC5428D, models from 2007-2014 accumulate ferrous metallic debris on the wheel bearing's magnetic encoder ring. This causes erratic wheel speed signals, leading to codes like C0675. The fix is to clean the ring, not replace parts.
• Opel / Vauxhall: TSB 2718 for 2009-2011 Insignia and Astra-J models identifies an issue where the suspension wiring harness breaks internally without visible external damage. Diagnosis requires a resistance check while wiggling the harness.

Real Owner Stories

2012 Cadillac SRX with 'Service Suspension System' Message

The 'Service Suspension System' warning appeared. A local garage diagnosed code C0675 and quoted $660 for the repair ($160 for diagnosis, $500 for replacement).

What they tried:

1. The owner declined the shop's repair and attempted a DIY fix.

Outcome: The owner purchased the OEM sensor online for $100 and replaced it themselves in under an hour. The repair cleared the code and saved $400.

Lesson: For vehicles where the sensor is easily accessible, replacing the sensor is a cost-effective DIY job. Always get a specific code diagnosis before buying parts.

2021 Chevrolet Silverado with Multiple Warning Lights

The truck, just out of warranty, showed multiple codes and warning lights. A mechanic identified a chafed main wiring harness but could not perform the complex repair.

What they tried:

1. The owner took the truck to the dealership, referencing GM Technical Service Bulletin 21-NA-149.
2. The owner contacted GM corporate to request assistance with the repair cost.

Outcome: The dealership quoted nearly $4,000 to replace the entire engine wiring harness. GM initially denied the claim because the vehicle was out of warranty.

Lesson: A TSB is not a recall; repairs are only free if the vehicle is within the bumper-to-bumper warranty period. For known issues like harness chafing, contact corporate and be persistent for a goodwill repair.

GM SUV with Intermittent C0675 and other codes

Owner experienced an intermittent 'Service Suspension System' light, accompanied by ABS warnings, especially after driving in wet conditions.

What they tried:

1. Suspected the right front sensor and connector, but found no visible damage.
2. Inspected the main wiring harness where it passes over the rear axle frame member.

Outcome: The owner discovered the harness rubbed through on the frame, exposing wires. The wires shorted to ground when wet. The fix involved repairing the broken wires with solder and heat shrink, and re-securing the harness with extra padding.

Lesson: On GM trucks and SUVs, if you have C0675 with other electrical codes, inspect the wiring harness over the rear axle immediately. This is the most common root cause for this code on these vehicles.

How to Prevent This Code From Triggering

• Periodic Undercarriage Wash (Monthly, especially in winter) — Washing the undercarriage removes road salt and grime that accelerates corrosion on sensor housings, connectors, and linkage arms.
• Apply Dielectric Grease to Connectors (During any under-vehicle service (e.g., brake job)) — Applying a small amount of dielectric grease to the seal and pins blocks moisture and prevents corrosion, a common cause of signal failure.
• Inspect and Secure Wiring Harnesses (During oil changes or tire rotations) — Visually check that wiring harnesses are properly secured in their clips and are not rubbing against the frame. Re-secure loose sections with zip ties to prevent chafing.
• Apply a Corrosion Inhibitor Spray (Annually, before winter) — Applying a waxy corrosion inhibitor spray (like Fluid Film) to underbody electrical connectors and the sensor body creates a barrier that repels moisture and salt.

Frequently Asked Questions

What is the most common misdiagnosis for a C0675 code?

The most common mistake is immediately replacing the sensor without testing the circuit. The fault is very often a broken wire, especially on GM SUVs with known harness chafing issues. Always test for 5V reference, ground, and signal integrity at the sensor connector before buying parts.

Can I still drive my car with a C0675 code?

Yes, but with caution. The electronic suspension disables itself, leading to a stiff ride and reduced handling. It is safe for short trips but requires prompt repair to prevent uneven tire wear and extra stress on other components.

How much does it cost to fix code C0675?

A DIY sensor or linkage replacement costs $75-$200. A shop repair for the same job runs $150-$300. Wiring repairs are highly variable, ranging from $150 to over $450 depending on the location of the damage.

Is fixing code C0675 a DIY job?

Replacing a bad sensor or broken linkage is a simple DIY job requiring basic tools. However, wiring faults or module replacements require a professional technician with advanced diagnostic equipment.

I searched for C0675 and saw results for glow plugs. What's the difference?

A 'C' code like C0675 is a Chassis system fault. A 'P' code like P0675 is a Powertrain fault, specifically 'Cylinder 5 Glow Plug Circuit' on diesel engines. They are completely unrelated problems on different vehicle systems.

Will I pass a state inspection with a C0675 code?

Most state safety inspections ignore chassis codes if the ABS light is off. However, if your state's inspection scans the OBD-II system for readiness monitors, a recently cleared code results in a 'Not Ready' status and a failure. Resolve the issue before inspection.

What is the difference between a position sensor and an acceleration sensor?

Functionally, they are the same component for this code. Some systems use a simple lever sensor to measure ride height, while others use an accelerometer to measure vertical movement. Both provide a signal to the SCM, and a fault in either triggers C0675.

Key Takeaways

• Code C0675 flags an electrical fault in the right front suspension height sensor, instantly disabling the electronic suspension and triggering a dashboard warning.
• Inspect the main wiring harness over the rear axle on GM SUVs first, as chafing in this specific area is the leading cause of this front-sensor code.
• Driving with C0675 causes a noticeably harsh ride and accelerates tire cupping within 3 to 6 months due to the shocks defaulting to a rigid, passive state.
• Test the sensor connector for a 4.8-5.2V reference signal and a ground of less than 5 ohms before buying parts to prevent a costly misdiagnosis.