WOMS
U code network High severity

U0132 Lost Communication With Ride Level Control Module

The OBD2 code U0132 indicates that there is a loss of communication between the vehicle's main control module and the ride level control module, which may affect the vehicle's suspension system

Definition

The OBD2 code U0132 indicates that there is a loss of communication between the vehicle's main control module and the ride level control module, which may affect the vehicle's suspension system

Common causes

  • Faulty Ride Level Control Module
  • Damaged wiring or connectors
  • Poor ground connection
  • Blown fuse
  • Faulty vehicle communication network (CAN bus)
  • Corroded connectors
  • Software issues or updates needed
  • Battery voltage issues

Common misdiagnoses

  • Faulty ABS module
  • Defective body control module (BCM)
  • Wiring issues or shorts in the harness
  • Bad ground connections
  • Malfunctioning air suspension compressor
  • Incorrectly diagnosed suspension components
  • Faulty or corroded connectors
  • Battery or charging system problems
  • Issues with the engine control module (ECM)
  • Problems with the powertrain control module (PCM)

Troubleshooting steps

  1. 1. Check for Other Codes

    Use an OBD-II scanner to check for any additional trouble codes. Sometimes, multiple codes can provide more context about the issue

  2. 2. Inspect the Wiring and Connectors

    Visual Inspection: Check the wiring harness and connectors related to the ride level control module for any signs of damage, corrosion, or loose connections

  3. 3. Connector Pins

    Ensure that the pins in the connectors are not bent, corroded, or pushed back

  4. 4. Test the Ride Level Control Module

    Power and Ground: Verify that the ride level control module is receiving the correct power and ground signals. Use a multimeter to check voltage and ground continuity

  5. 5. Module Functionality

    If possible, test the ride level control module in another vehicle or replace it with a known good module to see if the problem persists

  6. 6. Check Communication Lines

    CAN Bus Integrity: Inspect the CAN bus wiring for shorts, opens, or high resistance. Use a multimeter to check for continuity and proper resistance

  7. 7. Scan Tool Communication

    Use a scan tool to check if you can communicate with the ride level control module. If you cannot, it may indicate a problem with the module or the communication lines

  8. 8. Inspect Related Modules

    Since the ride level control module may communicate with other modules, check for issues in related systems (e.g., suspension control module, body control module). Ensure they are functioning correctly and communicating with the network

  9. 9. Check for Software Updates

    Sometimes, manufacturers release software updates for modules. Check if there are any updates available for the ride level control module or the vehicle’s ECU

  10. 10. Clear Codes and Test Drive

    After performing inspections and repairs, clear the trouble codes using the OBD-II scanner and take the vehicle for a test drive to see if the code returns

  11. 11. Consult Technical Service Bulletins (TSBs)

    Look for any TSBs related to the ride level control module for your specific vehicle make and model. Manufacturers may have identified common issues and provided solutions

  12. 12. Professional Diagnosis

    If the issue persists after performing the above steps, consider seeking help from a professional mechanic or dealership with experience in diagnosing communication issues.Conclusion Troubleshooting U0132 requires a systematic approach to identify the root cause of the communication loss. By following these steps, you can narrow down the potential issues and take appropriate action to resolve the problem