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B2142 NVM TIC Failure

The OBD2 code B2142 NVM TIC Failure indicates a malfunction related to the Non-Volatile Memory (NVM) in the Tire Inflation Monitor System (TIC)

Definition

The OBD2 code B2142 NVM TIC Failure indicates a malfunction related to the Non-Volatile Memory (NVM) in the Tire Inflation Monitor System (TIC)

Common causes

  • Faulty Body Control Module (BCM)
  • Corrupted or damaged software in the BCM
  • Poor electrical connections or wiring issues
  • Low battery voltage or weak battery
  • Faulty sensors or actuators related to the BCM
  • Short circuits in the wiring harness
  • Intermittent faults in the vehicle's electrical system

Common misdiagnoses

  • Faulty Body Control Module (BCM)
  • Wiring issues or shorts in the harness
  • Defective sensors or actuators
  • Software or firmware issues
  • Battery or power supply problems
  • Grounding issues
  • Other communication errors in the network

Troubleshooting steps

  1. 1. Check for Additional Codes

    Use an OBD-II scanner to check for any other related trouble codes. This can provide more context and help identify if there are other issues that need to be addressed

  2. 2. Inspect Wiring and Connectors

    Examine the wiring and connectors related to the Transmission Interface Controller and the control module. Look for signs of damage, corrosion, or loose connections that could affect communication

  3. 3. Battery Voltage Check

    Ensure that the vehicle's battery is fully charged and that the voltage is within the acceptable range (typically 12.4 to 12.6 volts). Low voltage can cause various electronic issues

  4. 4. Clear Codes and Test Drive

    Clear the trouble code using an OBD-II scanner and take the vehicle for a test drive. Sometimes, the code may be a temporary issue that resolves itself

  5. 5. Inspect the Control Module

    If the code persists, inspect the control module for any signs of damage or failure. This may include checking for water intrusion, physical damage, or burnt components

  6. 6. Reprogram or Update Software

    If the control module is functioning but still throwing the code, it may need to be reprogrammed or updated with the latest software from the manufacturer

  7. 7. Check for Ground Issues

    Ensure that all ground connections related to the control module are secure and free of corrosion. Poor grounding can lead to communication issues

  8. 8. Perform a Hard Reset

    Disconnect the vehicle's battery for a few minutes to reset the control modules. Reconnect and see if the code reappears

  9. 9. Consult Technical Service Bulletins (TSBs)

    Check for any TSBs related to the B2142 code for your specific vehicle make and model. Manufacturers may have specific fixes or recommendations

  10. 10. Professional Diagnosis

    If the issue persists after performing the above steps, it may be necessary to consult a professional mechanic or dealership for further diagnosis. They may have specialized tools and knowledge to address complex electronic issues. Always refer to the vehicle's service manual for specific procedures and specifications related to your make and model