C0507 on 2016-2017 Jeep Cherokee: Right Front Wheel Speed Sensor Fault Causes and Fixes

What's Unique About the 2016-2017 Jeep CHEROKEE

On the KL generation of the Jeep Cherokee, the C0507 code is frequently cited in manufacturer Technical Service Bulletins (TSBs) alongside a full set of wheel speed sensor rationality errors (C0501, C050D, C0513). This pattern suggests that while a single sensor can fail, the issue can sometimes be related to the central ABS or Powertrain Control Module's (PCM) software, which may require an update at a dealership. This is a known characteristic documented in TSBs #18-032-17 and #18-013-17 REV. A, which address erroneously set wheel speed sensor DTCs.

Diagnostic Flowchart

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

Symptoms You May Notice

• ABS warning light is on
• Traction control or Electronic Stability Control (ESC) warning light is on
• "Service 4WD" message may appear
• Cruise control may not function
• ABS may activate unnecessarily at low speeds, causing a grinding or pulsating brake pedal.
• In some cases, the automatic Start/Stop feature may become unavailable.
• Vehicle may enter a "limp mode" with reduced power and stiff steering, particularly on startup if the ESC light is also on.

Most Likely Causes

1. Faulty Right Front Wheel Speed Sensor 🔴 High Probability Wheel speed sensors are exposed to harsh conditions like heat from the brakes, water, dirt, and road salt, which can cause them to fail over time. They are a common failure item on many modern vehicles.
   How to confirm: Use an OBD-II scanner capable of reading ABS codes to view live data from all four wheel speed sensors while driving. The reading from the right front sensor will likely be erratic, zero, or inconsistent with the others.
   Typical fix: Replace the right front wheel speed sensor. This involves removing the wheel, unbolting the sensor from the steering knuckle (typically a single 10mm bolt), and disconnecting its electrical plug in the wheel well.
   Est. part cost: $20-$60
2. Damaged Wiring or Connector 🟡 Medium Probability The wiring harness leading to the sensor can be damaged by road debris, improper servicing, or rubbing against suspension components. The connector in the wheel well is also susceptible to moisture and corrosion.
   How to confirm: Visually inspect the entire length of the wire from the sensor to its connection point in the wheel well. Check the electrical connector for corrosion, bent pins, or a loose connection. A multimeter can be used to check for continuity between the connector and the ABS module plug.
   Typical fix: Repair the damaged section of wire or clean/replace the connector. In severe cases, the entire sensor harness may need replacement.
   Est. part cost: $5-$50
3. Damaged or Corroded Tone Ring ⚪ Low Probability The tone ring, which the sensor reads, is part of the wheel hub assembly. Rust and debris can accumulate on it, or it can crack, leading to an incorrect signal.
   How to confirm: After removing the wheel speed sensor, visually inspect the tone ring inside the hub for rust buildup, missing teeth, or cracks. This may require rotating the hub to see the entire ring.
   Typical fix: The tone ring is typically integrated into the wheel hub bearing assembly. The entire hub assembly must be replaced.
   Est. part cost: $100-$200

Rare But Worth Checking

• Faulty ABS Control Module: If a new sensor and verified wiring do not resolve the code, the ABS module itself could be the problem. This is an expensive last resort and often requires dealer programming.
• Outdated ABS/PCM Module Software: As mentioned in TSBs #18-032-17 and #18-013-17 REV. A, rationality errors can sometimes be fixed with a software update. A Reddit user with a 2016 Cherokee reported various electrical issues and codes that were resolved after a dealership performed a PCM software update. Check with a dealer to see if any updates apply to your vehicle's VIN.

Diagnosis Steps

1. Confirm the presence of code C0507 using an OBD-II scanner that can read ABS/Chassis codes.
2. Use the scanner's live data function to monitor the speed of all four wheels while driving slowly in a straight line. Confirm that the Right Front sensor reads differently from the others (e.g., stuck at 0, erratic, or lagging).
3. Raise and safely support the front of the vehicle. Remove the right front wheel (19mm lug bolts).
4. Visually inspect the wheel speed sensor and its wiring harness for any obvious signs of damage, such as cuts, melting, or chafing.
5. Follow the wire into the wheel well, disconnect the sensor's electrical connector, and check for corrosion or damage to the pins.
6. Unbolt and remove the sensor (typically a single 10mm bolt). The sensor may be seized in the knuckle; gentle twisting with pliers may be needed. Be careful not to break it.
7. Inspect the sensor tip for metal debris or damage. Clean the mounting hole of any rust or dirt before installing the new sensor.
8. Look inside the mounting hole to inspect the tone ring on the wheel hub for rust, debris, or cracks.
9. If the sensor or wiring appear faulty, replace the sensor. If the tone ring is damaged, replace the wheel hub assembly.
10. After replacement, clear the codes with the scanner. The warning lights may stay on until you drive the vehicle a short distance (e.g., out of the driveway), allowing the system to verify the new signal.
11. If the code returns, perform a continuity test on the wiring harness between the sensor connector and the ABS module.
12. If all four wheel speed sensor codes are present, or if the code returns after hardware replacement, consult a dealer to check for applicable software updates as mentioned in TSBs #18-032-17 and #18-013-17 REV. A.

Parts You'll Likely Need

• Front Wheel Speed Sensor (OEM #68141887AF) — This is the most common failure point for code C0507. The front left and right sensors are the same part. This part number supersedes previous versions 68141887AA, 68141887AB, 68141887AC, 68141887AD, and 68141887AE.
  Trusted brands: Mopar, Duralast, Delphi, Bosch, Standard Motor Products (SMP), NGK
  OEM price range: $60-$90
  Aftermarket price range: $20-$50

Related Codes That Often Appear With This One

• C0501 — This is the code for the Left Front Wheel Speed Sensor. Seeing them together could indicate a common wiring issue or a software problem, as noted in TSB #18-032-17.
• C050D — This is the code for the Left Rear Wheel Speed Sensor. Seeing multiple wheel speed codes at once points towards a systemic issue rather than a single failed sensor.
• C0513 — This is the code for the Right Rear Wheel Speed Sensor. When all four sensor codes appear (C0501, C0507, C050D, C0513), it strongly suggests a problem with the ABS module, its software, or a vehicle-wide electrical issue, as documented in TSBs and forum discussions.

Technical Service Bulletins (TSBs) & Recalls

• 1806620: Mentions C0507 - Right Front Wheel Speed Sensor Range/Performance.
• 18-032-17: Groups C0507 with other wheel speed sensor rationality errors and specifies a PCM software flash as a fix for a list of DTCs and drivability issues.
• 1801317 (superseded by 18-013-17 REV. A): Lists C0507 for Right Front Wheel Speed Sensor Range/Performance, noting the codes may be erroneously set and fixed with a PCM software update.
• 18-122-16: Also groups C0507 with other wheel speed sensor rationality errors.

Platform-Specific Known Issues

• Multiple TSBs (#18-032-17, #18-013-17 REV. A) list C0507 as part of a group of "Wheel Speed Sensor Rationality Errors," indicating that Jeep is aware of issues that can trigger multiple or all wheel speed sensor codes simultaneously. In these cases, the root cause is often a software logic issue in the Powertrain Control Module (PCM) rather than a hardware failure, and the fix is a dealer-performed software flash.
• The 2014-2023 Cherokee (KL) platform is known for having some electrical issues, and owners have reported that seemingly unrelated problems can sometimes be traced back to outdated module software.

Mechanic-Grade Diagnostic Values

• Active Wheel Speed Sensor Signal (Magnetoresistive Type) — expected: The sensor is supplied with ~12V from the ABS module. Its output is a square wave digital signal that toggles between approximately 7mA and 14mA as the wheel turns. A scan tool will interpret this as a speed reading (km/h or MPH).. Failure: On a scan tool, the reading will be zero, erratic, or not match other wheels. With an oscilloscope, the square wave will be missing or distorted. An open circuit in the sensor or wiring may cause the signal line to read a high bias voltage (e.g., 5V).
• Sensor Circuit Bias Voltage (Key-On, Engine-Off) — expected: With the sensor connected, the signal wire should show a low DC voltage, often around 0.5V.. Failure: If the sensor is unplugged or has an internal open circuit, the signal wire will jump to the ABS module's bias voltage, which is often 5V. Wiggling the harness and watching this voltage on a multimeter or scope can reveal intermittent open circuits.

Scan Tool Commands That Help

• wiTECH (Dealer Tool): PROXI Alignment / Proxy Configuration Alignment — This procedure is mandatory after replacing the ABS control module. It synchronizes the new module with the vehicle's other computers, such as the BCM and PCM. Failure to perform this will result in communication errors and non-functional ABS/ESC systems.
• wiTECH (Dealer Tool): ABS Initialization — This is performed after flashing or replacing the ABS module to ensure it is correctly configured for the vehicle's specific options and VIN.

Wiring & Ground Locations

• G304 — Under the driver's seat.. This is a major ground point for the Dynamics Sensor and is part of the overall braking and stability control system. While not the direct ground for the wheel speed sensor itself, a poor connection here can cause erratic behavior in the ABS/ESC system, potentially leading to rationality codes.
• ABS Module Connector — Typically mounted to the ABS hydraulic control unit in the engine bay.. This is the termination point for the wheel speed sensor harness. Technicians may need to test for signal, power, and ground at the specific pins coming from the right front wheel speed sensor to rule out a wiring issue between the sensor and the module.

Real Owner Repair Stories

• Reddit user on r/volt (similar GM architecture) (2017 Chevrolet Volt) — Check Engine, ABS, and Traction Control lights on, with Stabilitrak service message. Codes C0507, P25A2, U0415.
  ❌ Tried (didn't work) Replaced both front wheel speed sensors, even though the code was only for the right front (C0507).
  ✅ What actually fixed it The user suspected the magnetic encoder ring on the wheel hub was the issue due to rust/dirt buildup and ordered a new wheel hub assembly to resolve the problem. The logic is that if the sensor and wiring are good, the signal source (the tone ring on the hub) must be bad.
• YouTube video by 'Jeep Cherokee Wheel Bearing Replacement' (Jeep Cherokee (KL generation)) — ABS and Traction Control lights were on.
  ❌ Tried (didn't work) The technician swapped the left and right front wheel speed sensors to see if the code would follow the sensor. When the code did not move, it confirmed the sensor was not the problem.
  ✅ What actually fixed it The technician diagnosed a faulty tone ring within the wheel bearing assembly and replaced the entire right front wheel bearing/hub to fix the issue.

When the Usual Fixes Don't Work

• In multiple documented cases, replacing the C0507-specific part (the right front wheel speed sensor) did not resolve the issue. One owner swapped the left and right sensors, and the code remained on the right side, proving the sensor was not the fault. The final repair was replacing the entire wheel hub assembly because the magnetic tone ring integrated into it had failed. Another owner replaced the sensor to no effect, and the problem was ultimately traced to the wheel hub assembly's tone ring being obscured by rust and debris. This highlights that while the sensor is the most common cause, the tone ring on the hub is a significant secondary cause that must be considered before replacing more expensive components like the ABS module.