U142A
Implausible PRNDL Signal Received
U142A is an OBD-II diagnostic trouble code meaning: Implausible PRNDL Signal Received. Common causes: gear selector position sensor malfunction, damage to the wiring harness to the prndl sensor. Estimated repair cost: $17–89.
Symptoms
- Incorrect display of selector position on the dashboard
- Car will not start in 'P' or 'N' position
- Transmission does not shift properly
- Check Engine Light Is On
- Activating emergency transmission mode
Causes
- Gear selector position sensor malfunction
- Damage to the wiring harness to the PRNDL sensor
- Poor contact in sensor connectors
- Transmission control module (TCM) malfunction
- Mechanical problems with shift cable
How to Fix
- Check the condition of the gear selector position sensor
- Inspect the wiring harness and connectors for damage.
- Check contacts in sensor and TCM connectors
- Scan the system for other related trouble codes
- If necessary, replace the gear selector position sensor
Related codes
FAQ
What does the U142A code mean?
U142A is an OBD-II diagnostic trouble code that indicates: Implausible PRNDL Signal Received
What causes a U142A error code?
The most common causes of U142A include: Gear selector position sensor malfunction; Damage to the wiring harness to the PRNDL sensor; Poor contact in sensor connectors; Transmission control module (TCM) malfunction.
How do I fix a U142A diagnostic trouble code?
To fix U142A: Check the condition of the gear selector position sensor. Inspect the wiring harness and connectors for damage.. Check contacts in sensor and TCM connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U142A?
Limited driving only, diagnose soon
How much does it cost to fix U142A?
The estimated repair cost for U142A is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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