C1542
Vehicle Speed Signal Malfunction
C1542 is an OBD-II diagnostic trouble code meaning: Vehicle Speed Signal Malfunction. Common causes: speed sensor malfunction, broken or damaged wiring harness. Estimated repair cost: $56–167.
Symptoms
- Incorrect operation of the speedometer
- No response from cruise control
- Problems with shifting gears in an automatic transmission
- Check Engine light comes on
Causes
- Speed sensor malfunction
- Broken or damaged wiring harness
- Problems with speed sensor connectors
- Engine control unit (ECU) malfunction
How to Fix
- Check the integrity of the speed sensor wiring harness
- Check connections and connectors of the speed sensor
- Replace the speed sensor if necessary
- Check and retest Winner_flash ECU if it is suspected of being faulty
Related codes
FAQ
What does the C1542 code mean?
C1542 is an OBD-II diagnostic trouble code that indicates: Vehicle Speed Signal Malfunction
What causes a C1542 error code?
The most common causes of C1542 include: Speed sensor malfunction; Broken or damaged wiring harness; Problems with speed sensor connectors; Engine control unit (ECU) malfunction.
How do I fix a C1542 diagnostic trouble code?
To fix C1542: Check the integrity of the speed sensor wiring harness. Check connections and connectors of the speed sensor. Replace the speed sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1542?
Limited driving only, diagnose soon
How much does it cost to fix C1542?
The estimated repair cost for C1542 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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