C0765 on 2007-2014 Chevrolet Equinox: TPMS Sensor or Module Failure?

What's Unique About the 2007-2014 Chevrolet EQUINOX

On these GM platforms, the TPMS sensors communicate with the Remote Control Door Lock Receiver (RCDLR), the same module that receives signals from your key fobs. A widespread issue, documented in TSB 16-NA-396 for similar vehicles, causes this module to fail internally. This means a single module failure can simultaneously disable your tire pressure monitoring and your keyless entry, a key detail that helps distinguish between a simple sensor issue and a more complex module replacement. On both first and second generation Equinox models, the RCDLR is located behind the passenger side C-pillar trim panel, between the rear passenger window and the small quarter window.

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 first generation (2007-2009) and second generation (2010-2014) Equinox. Both use a similar TPMS architecture where the RCDLR receives both TPMS and key fob signals. The RCDLR failure is a well-documented GM issue across many platforms of this era, including the Equinox and its relatives. The physical location of the RCDLR module is consistent on the right 'C' pillar for both generations.

Symptoms You May Notice

• TPMS warning light illuminated on the dashboard (may flash for one minute then stay on solid)
• "Service Tire Monitor System" message on the Driver Information Center (DIC)
• Key fobs for remote lock/unlock/start stop working (indicates RCDLR failure)
• "No Remote Detected" message when trying to start the vehicle (Push-to-Start models)
• Reduced operating range for key fobs.

Most Likely Causes

1. Failed Remote Control Door Lock Receiver (RCDLR) 🔴 High Probability → Shop Keyless Entry Receiver This is a well-documented failure point on many GM vehicles from this era. The module handles both TPMS and key fob signals, and its internal failure is common.
   How to confirm: The most telling symptom is the simultaneous failure of the TPMS system (often setting codes for all four sensors) and all key fobs. A professional scan tool may show C0765 with a symptom code of :29 ("Too Few Pulses"), which TSB 16-NA-396 points to as an internal RCDLR failure.
   Typical fix: Replace the RCDLR module. The new module must be programmed to the vehicle using a GM-specific scan tool (like a Tech2 or MDI) with the Service Programming System (SPS).
   Est. part cost: $30-$100
2. Dead or Failed Right Rear TPMS Sensor 🔴 High Probability → Shop Tire Pressure Monitoring System (TPMS) Sensor TPMS sensor batteries have a finite lifespan, typically 5-10 years. For a 2007-2014 vehicle, it's expected for original sensors to be failing. A scan tool may identify this as symptom code :03 (Low Voltage) or :39 (Internal Malfunction).
   How to confirm: This is the most likely cause if C0765 is the ONLY code present and the key fobs work perfectly. A TPMS diagnostic tool can be used to try and 'wake' the sensor; if it doesn't respond, it has failed.
   Typical fix: Replace the right rear TPMS sensor. The new sensor's ID must be learned by the vehicle, which can be done via a specific in-vehicle procedure or with a TPMS tool.
   Est. part cost: $25-$75

Rare But Worth Checking

• Wiring or Connector Issue: In rare cases, damage to the wiring harness or a poor connection at the RCDLR could cause signal loss. TSB 16-NA-061 points to disconnected coax cables for the RCDLR antenna as a possible cause for TPMS/RKE issues. A visual inspection and terminal tension test should be performed before replacing modules.
• Body Control Module (BCM) Fault: → Shop Body Control Module On second-generation models, the BCM processes the signals from the RCDLR. A fault in the BCM could mimic these symptoms, but it is far less likely and should only be considered after ruling out the RCDLR and sensor. BCM failure often presents with a wider array of electrical issues.
• Radio Frequency (RF) Interference: Strong RF interference from aftermarket devices (like phone chargers, dash cams, or LED lighting) or external sources (like military bases or radio towers) can jam the 315 MHz frequency used by the TPMS sensors and key fobs, preventing the RCDLR from receiving signals. This is often location-dependent. If the system works fine in some places but not others, RF interference is a likely suspect.

Diagnosis Steps

1. Verify the symptoms. Does the TPMS light stay on? 🎬 Watch: Troubleshooting key fob and tire pressure sensor issues together. Does the DIC show a service message?
2. Crucial Step: Test all key fobs for locking, unlocking, and remote start. If they do not work, the RCDLR module is the primary suspect.
3. If key fobs work normally, the TPMS sensor is the primary suspect.
4. Use a TPMS diagnostic tool to attempt to read the sensor data from the right rear wheel. If the tool cannot get a response, the sensor is bad.
5. If you have a high-end scan tool, check for other DTCs. The presence of C0750, C0755, and C0760 strongly indicates an RCDLR issue. Check for specific symptom bytes; :29 points to the RCDLR, while :03 or :39 point to the sensor itself.
6. Inspect the sensor battery status with a scan tool if possible. A low battery voltage reading confirms a failing sensor.
7. Before replacing the RCDLR, inspect its connector and antenna coax cable for damage or disconnection, as noted in TSB 16-NA-061. The module is located in the passenger side rear C-pillar.
8. If a new sensor is installed and the code persists, or if key fobs are inoperative, the RCDLR module must be diagnosed and likely replaced and programmed.

Parts You'll Likely Need

• Remote Control Door Lock Receiver (RCDLR) (OEM #13595511 (supercedes 13509518), 13595510 (supercedes 13509517)) — This module is a common failure point that causes C0765 along with key fob malfunction. TSB 16-NA-396 lists specific replacement part numbers.
  Trusted brands: ACDelco, Dorman
  OEM price range: $50-$100
  Aftermarket price range: $30-$70
• Tire Pressure Monitoring System (TPMS) Sensor — The sensor's internal battery dies after 7-10 years, making it the most common cause when C0765 appears alone.
  Trusted brands: ACDelco, Schrader, Huf, Dorman
  OEM price range: $40-$75
  Aftermarket price range: $25-$50

Related Codes That Often Appear With This One

• C0750, C0755, C0760 — These are the codes for the other three tire pressure sensors. When all four appear together, it strongly suggests a failure of the common receiver (the RCDLR) rather than all four sensors failing at once.
• B3055, B3060, B3935 — As cited in TSB PIC5650M, these codes relate to the vehicle immobilizer and security system. Their presence alongside C0765 points towards a fault in a module that controls both systems, such as the RCDLR or BCM.

Technical Service Bulletins (TSBs) & Recalls

• PIC5650M: Mentions C0765 in a list of codes related to no-start/stall concerns and the security light.
• 16-NA-396: Details the common failure of the RCDLR causing TPMS codes (including C0765) and key fob inoperability.
• 16-NA-061: Describes how a disconnected RCDLR antenna can mimic a failed module, causing TPMS and key fob issues.

Platform-Specific Known Issues

• The provided TSB #PIC5650M notes that C0765 can be present during a no-start or stall condition related to the vehicle's security system, highlighting the RCDLR's connection to the immobilizer.
• TSB #16-NA-396, while for slightly later models, describes the exact failure pattern of simultaneous TPMS and key fob malfunction due to an internal RCDLR fault, which is highly relevant to this platform.
• TSB #16-NA-061 suggests that before replacing the RCDLR, technicians should check the antenna and coax cable connections, as a simple disconnect can cause identical symptoms of TPMS failure and poor key fob range.
• Owner forums confirm the RCDLR location for some models is behind the passenger side C-pillar trim panel.

Hidden / Shadow Codes Worth Checking

• C0765 08: Indicates the signal from the Right Rear TPMS sensor is invalid. This can be set due to RF interference or an internal sensor fault. (see via GM-specific scan tool like a Tech2 or a modern tool with GDS2 software.)
• C0765 00: Indicates a general fault or loss of communication with the Right Rear TPMS sensor. This is often set when the sensor does not transmit for an extended period (e.g., 18 minutes above 25 mph), which can be due to a dead battery. (see via GM-specific scan tool like a Tech2 or a modern tool with GDS2 software.)

Scan Tool Commands That Help

• GDS2: Module Diagnostics -> Remote Control Door Lock Receiver -> Configuration/Reset Functions — This menu is used after installing a new RCDLR. It contains the functions to program the new module to the vehicle and learn the existing key fobs.
• GDS2 / Tech2: Service Programming System (SPS) — SPS is required to load the correct vehicle-specific software and calibrations onto a new RCDLR module after physical installation. This is a necessary step for the new module to communicate with the BCM and other vehicle systems.
• GDS2: Remote Control Door Lock Receiver -> Copy and Paste TPM Information — Before removing the old RCDLR, a technician can use this function to copy the existing TPMS sensor IDs. After installing and programming the new RCDLR, this data can be 'pasted' to the new module, avoiding the need to perform a full TPMS relearn procedure.
• GDS2: Add or Replace Key Fobs — After replacing the RCDLR, this function within the module's 'Configuration/Reset Functions' menu is used to program the owner's existing key fobs to the new module.

Wiring & Ground Locations

• RCDLR Location — On the right 'C' pillar, behind the trim panel between the rear passenger window and the small quarter window.. This is the physical location of the module that receives the TPMS signals. A disconnected antenna coax or main connector at this location will cause C0765 and other related codes.
• G301 — Under the left front seat, beneath the carpet (on 2007-2009 models).. This is a major body ground point. While not directly for the RCDLR, a poor ground here can cause a variety of unpredictable electrical issues in body modules that could potentially mimic module failure.
• G403 — In the right side of the luggage compartment (on 2010-2014 models).. This is a key ground point in the rear of the vehicle, relatively close to the RCDLR module. A corroded or loose G403 could potentially affect the RCDLR's operation.
• RCDLR Antenna — The system consists of the RCDLR module, a coax cable, an antenna amplifier, and the antenna itself which is integrated into the right rear quarter glass.. A disconnect at any of the three connection points (RCDLR, amplifier, or glass) can cause this code. A full disconnect at the RCDLR module itself will cause loss of all TPMS and key fob signals.

Real Owner Repair Stories

• Reddit user in r/Chevrolet (2008 Chevrolet Equinox) — Key fob had very low range (had to be right next to the car), TPMS sensors were not reporting, and a 'Service AWD System' message was present on a FWD vehicle.
  ❌ Tried (didn't work) Searching online manuals and calling the dealership, who could not identify the RCDLR location.
  ✅ What actually fixed it The user located the RCDLR on the right C-pillar and found its antenna had been unplugged. Reconnecting the antenna restored full key fob range and allowed the TPMS sensors to be programmed successfully. The fix took 5 minutes once the module was located.
• Equinox Forum user (2007 Chevrolet Equinox) — Vehicle would not enter the TPMS relearn procedure, and a scan tool could not initiate the relearn either.
  ❌ Tried (didn't work) Attempting the standard DIC-based relearn procedure., Using a scan tool to force the relearn.
  ✅ What actually fixed it The owner replaced the RCDLR module. After replacement, the TPMS system and keyless entry both worked correctly, and they were able to program a new key fob.

OEM Part Supersession History

• 13595511 → 13540045 — Part number update by the manufacturer for inventory or revision purposes.

Model Year Variations Within This Range

• 2007-2009 (First Generation): These models use the older Tech2 scan tool for most diagnostics and programming functions. The BCM and RCDLR are distinct units with specific roles.
• 2010-2014 (Second Generation): These models require the newer GDS2 (Global Diagnostic System 2) software, typically run on a laptop with an MDI or other J2534 interface, for diagnostics and module programming.