C0750 on 2007-2014 Chevrolet Malibu: Left Front TPMS Sensor Fault Causes & Fixes

What's Unique About the 2007-2014 Chevrolet MALIBU

For this generation of Malibu, the C0750 code is typically a straightforward TPMS sensor issue. However, it's important to be aware of a specific scenario documented in GM Technical Service Bulletin PIC5650M. This bulletin notes that C0750 and other TPMS codes can appear alongside security-related codes (like B3055) and an intermittent no-start or stalling condition. This doesn't mean the TPMS sensor is causing the car not to start; rather, it suggests a broader issue, such as radio frequency interference (RFI) from aftermarket devices like phone chargers or LED lights, or a fault with a module like the RCDLR, is causing multiple, seemingly unrelated, electronic problems.

Diagnostic Flowchart

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

Generation note: This range covers the end of the 6th gen (2007), the full 7th gen (2008-2012), and the start of the 8th gen (2013-2014). While the function is the same, the specific TPMS sensor part number and relearn procedure vary. For example, 2008-2012 models can often enter relearn mode by holding the lock/unlock buttons on the key fob, then letting air out of each tire until the horn chirps. 🎬 See this walkthrough of the 2012 Malibu relearn procedure. 2013-2015 models use the Driver Information Center 🎬 Watch: How to relearn TPMS on 2013-2015 models without tools. (DIC) controls to start the process, which can then be completed by letting air out or using a simple activation tool. Always verify the correct part and procedure for your specific model year.

Symptoms You May Notice

• TPMS warning light illuminated on the dashboard (may flash for one minute then stay solid, indicating a system fault).
• "Service Tire Monitor System" message on the Driver Information Center (DIC).
• The tire pressure display shows dashes or "--" for the left front tire.
• Inability to complete the TPMS relearn procedure; the process will stall when it gets to the left front tire.

Most Likely Causes

1. Dead TPMS Sensor Battery 🔴 High Probability The non-rechargeable lithium batteries inside the sensors have a finite lifespan, typically 5-10 years. For vehicles in this 2007-2014 year range, battery failure is the most common reason for a sensor to stop transmitting, as they are reaching the end of their service life.
   How to confirm: Use a TPMS diagnostic tool to attempt to activate or read the sensor. If the tool cannot get a response from the left front sensor while other sensors respond, the sensor has failed, most likely due to a dead battery.
   Typical fix: Replace the left front TPMS sensor and perform the TPMS relearn procedure. This requires dismounting the tire from the wheel. It is often recommended to replace all four sensors at once if they are original, as the others are likely to fail soon.
   Est. part cost: $30-$80
2. Damaged TPMS Sensor 🟡 Medium Probability Sensors can be physically damaged during tire changes, from hitting potholes, or by using unapproved tire sealants that can clog the sensor's pressure port. The plastic housing can become brittle with age and break during tire service.
   How to confirm: A visual inspection after dismounting the tire may reveal cracks or damage to the sensor body. If the sensor was working before a tire service and is not now, damage during the service is the most likely cause.
   Typical fix: Replace the damaged TPMS sensor and perform the relearn procedure.
   Est. part cost: $30-$80
3. Faulty Remote Control Door Lock Receiver (RCDLR) ⚪ Low Probability The RCDLR is the component that receives signals from both the key fobs and the TPMS sensors. A failure in this module can cause it to stop receiving TPMS signals. This is a known issue on many GM vehicles of this era, as documented in TSBs 16-NA-396 and PI1085.
   How to confirm: Check for multiple TPMS codes (C0750, C0755, C0760, C0765) and test the function of the key fobs. If all TPMS sensors are not reporting and the key fobs have poor range or are inoperative, the RCDLR is the primary suspect.
   Typical fix: Replace the RCDLR module. This requires programming by a dealer or a properly equipped shop using GM's Service Programming System (SPS).
   Est. part cost: $50-$150

Rare But Worth Checking

• Radio Frequency (RF) Interference: Aftermarket electronic devices, such as cell phone chargers, dash cams, power inverters, or even some low-quality LED replacement bulbs, can emit radio frequencies that interfere with the 315 MHz signal used by the TPMS sensors. TSB PIC5650M specifically calls this out as a potential cause for intermittent TPMS and security system issues. Before replacing parts, try unplugging all aftermarket devices from the power outlets and observe if the fault clears.
• Poor RCDLR Antenna Connection: As described in GM TSB 16-NA-061, the antenna for the RCDLR can become disconnected or have a poor connection at the module, at the antenna amplifier, or at the antenna itself (often in the rear glass). This can cause intermittent loss of signal from one or more TPMS sensors, as well as poor key fob range. While C0750 alone is less likely to be this issue (as the left front is furthest from the typical rear antenna), it's a possibility if other symptoms are present.

Diagnosis Steps

1. Verify the code C0750 is present using an OBD-II scanner capable of reading Chassis (C) codes.
2. Check the tire pressure display on the DIC. Note if only the left front reading is missing or shows dashes.
3. Unplug all aftermarket accessories (phone chargers, dash cams, etc.) to eliminate Radio Frequency Interference as a cause.
4. Attempt the TPMS relearn procedure for your specific model year. If the procedure fails when it gets to the left front tire (i.e., the horn doesn't chirp), the sensor is almost certainly bad.
5. If you have a TPMS activation tool, try to manually trigger the left front sensor. If it doesn't respond but others do, the sensor needs to be replaced.
6. If multiple TPMS codes (C0750, C0755, C0760, C0765) are present and key fobs are also not working or have very poor range, investigate the RCDLR and its antenna connection as the likely cause.

Parts You'll Likely Need

• Tire Pressure Monitoring System (TPMS) Sensor (OEM #13586335 (superseded by 13598771)) — This is the component that fails, usually due to an expired internal battery with a 5-10 year lifespan. It is the direct cause for code C0750. The part number 13586335 was widely used and has been superseded by 13598771; both are compatible.
  Trusted brands: ACDelco (GM Original Equipment), Schrader, Dorman, Bosch
  OEM price range: $50-$90
  Aftermarket price range: $30-$60
• TPMS Relearn Tool (OEM #EL-50448 (GM Recommended Tool)) — While some models allow relearning by deflating tires, a simple activation tool like the EL-50448 makes the process much faster, more reliable, and avoids having to re-inflate tires. It is almost essential for a quick DIY job.
  Trusted brands: Autel, VXDAS, OEC-T5
  OEM price range: $50-$70
  Aftermarket price range: $15-$30
• TPMS Sensor Service Kit — If the sensor itself is still functional but there is a slow leak from the valve stem, the rubber grommet and metal components may have corroded. It is best practice to replace this inexpensive kit whenever a tire is dismounted for sensor replacement to ensure a proper seal.
  Trusted brands: Schrader, Dorman
  OEM price range: $5-$10
  Aftermarket price range: $2-$8

Related Codes That Often Appear With This One

• C0755, C0760, C0765 — These codes correspond to the other three tire sensors (RF, RR, LR). If they all appear at once, it strongly suggests a problem with the common receiver (RCDLR) or significant RF interference, rather than all four sensors failing simultaneously.
• B3055, B3060, B3935 — These are security and immobilizer system codes. According to TSB PIC5650M, they can appear with TPMS codes during intermittent no-start conditions, often caused by a common electrical issue or radio frequency interference from an aftermarket device plugged into the car.

Technical Service Bulletins (TSBs) & Recalls

• PIC5650M: Addresses intermittent no-start, start/stall, or security light issues that may be accompanied by TPMS codes like C0750, often due to radio frequency interference from aftermarket devices.
• 16-NA-396: Details how an internal failure of the Remote Control Door Lock Receiver (RCDLR) can cause all TPMS sensors to stop reporting (C0750, C0755, etc.) and key fobs to become inoperative on various GM models.
• PI1085: A preliminary bulletin describing poor key fob range and TPMS codes caused by a faulty RCDLR on 2012-2013 GM trucks and SUVs, providing relevant context for the shared technology.
• 16-NA-061: Explains how a disconnected or corroded RCDLR antenna coax cable can lead to intermittent TPMS and key fob issues.

Platform-Specific Known Issues

• TSB PIC5650M highlights a scenario where C0750 can be a symptom of a larger problem. If you experience intermittent no-start conditions, a security light, and poor key fob range along with this code, the root cause is likely radio frequency interference or a module fault, not just a bad TPMS sensor.
• TSB 16-NA-396 and PI1085, while not listing the Malibu directly, describe the exact failure pattern of simultaneous TPMS and key fob failure on many contemporary GM vehicles due to a faulty RCDLR, which is highly relevant.

Mechanic-Grade Diagnostic Values

• TPMS Sensor Signal Frequency — expected: 315 MHz. Failure: No signal detected by a TPMS tool, or a signal on the wrong frequency.
• TPMS Sensor Battery — expected: 3V DC (when new). Failure: Voltage significantly below 3V. However, this is not directly measurable without destroying the sealed sensor. A TPMS tool showing 'Low Battery' or failing to activate the sensor is the practical failure indicator.

Hidden / Shadow Codes Worth Checking

• C0750 08: Indicates a Bus Signal/Message Failure. The Body Control Module (BCM) has lost communication with the left front TPMS sensor. This is a generic communication failure flag. (see via A professional scan tool like a GM Tech 2 or GDS2 that can read chassis codes with their symptom bytes.)
• C0750 29: Indicates 'Too Few Pulses'. This specific symptom byte is mentioned in TSB 16-NA-396 and points towards an internal fault or significant reception issue with the Remote Control Door Lock Receiver (RCDLR), often appearing with all four sensor codes (C0755, C0760, C0765). (see via A professional scan tool like a GM Tech 2 or GDS2. This code is specifically called out in technical service bulletins.)

Scan Tool Commands That Help

• GM Tech 2 / GDS2: TPMS Display — To view live data from each TPMS sensor, including pressure, temperature, and unique sensor ID. This is the first step to confirm which sensor is not reporting to the RCDLR/BCM.
• GM Tech 2 / GDS2: TPMS Learn Mode — To initiate the sensor relearn procedure after replacing a sensor or rotating tires. While manual methods exist, using the scan tool is the most reliable way to put the vehicle into the correct mode.
• EL-50448 or similar TPMS Tool: Sensor Activation — Used during the relearn procedure to force each sensor to transmit its ID to the vehicle. It's pointed at each tire's sidewall near the valve stem to trigger the sensor, confirming its operation and position. This is much faster and more reliable than the deflation method.

Wiring & Ground Locations

• RCDLR (2008-2012) — Under the rear window shelf, accessible from the trunk by removing the trim panels.. This module is the direct receiver for all TPMS sensor signals. A loose connection, especially the coaxial antenna cable, or a faulty module can prevent the signal from the left front sensor from being received, causing C0750.
• RCDLR (2013-2014) — Behind the left side of the dashboard, often near the instrument panel fuse block. This is a significant location change from the previous generation.. The function is the same, but its location inside the dash makes it more susceptible to interference from other electronics and potentially harder to service. A poor connection here would cause C0750.
• RCDLR Antenna (2008-2012) — The antenna is typically integrated into the rear window defogger grid, with an amplifier module and coaxial cable running to the RCDLR under the package shelf.. A disconnected or damaged antenna/amplifier can drastically reduce reception range. While the right rear sensor is closest, a weak signal from the distant left front sensor is often the first to be lost, triggering C0750.
• G303 — In the left kick panel area for 2008-2012 models. For 2013+ models, it can also be in the left kick panel.. This is a common interior ground point. A corroded or loose G303 can cause intermittent issues with various interior modules, including the Body Control Module (BCM), which processes the data from the RCDLR.
• G203 — Under the center console for 2008-2012 models. In the left kick panel for 2013+ models.. This is a primary ground for the Body Control Module (BCM) in many configurations. An unstable ground here can lead to a wide range of bizarre electronic issues, including lost communication codes like C0750.

Real Owner Repair Stories

• GM Forum user 'Snowmann' (2009 Chevrolet Malibu LS 2.4L) — Doors will not lock with remote, TPMS light on.
  ❌ Tried (didn't work) Attempting to reprogram the key fobs.
  ✅ What actually fixed it The user was diagnosed by a mechanic with a failed RKE (Remote Keyless Entry) receiver, which is the same as the RCDLR. The final resolution was to replace the RCDLR module, which fixed both the door lock and TPMS issues simultaneously.

OEM Part Supersession History

• 13586335 → 13598771, 13540600, 22854866, 13581558 — Standard part evolution, consolidation, and supplier changes.
  Heads up: All listed supersessions are direct replacements and operate on the same 315 MHz frequency. No programming changes are required, but a standard TPMS relearn procedure must be performed after installation.

Model Year Variations Within This Range

• 2008-2012 (7th Gen): The RCDLR is located under the rear package shelf in the trunk. The TPMS relearn procedure can often be initiated by holding the lock/unlock buttons on the key fob.
• 2013-2014 (8th Gen): The RCDLR was moved to behind the left side of the dashboard. The TPMS relearn procedure is initiated through the Driver Information Center (DIC) menu using the steering wheel controls.