C1447
Traction Control Module Request Circuit Failure
C1447 is an OBD-II diagnostic trouble code meaning: Traction Control Module Request Circuit Failure. Common causes: open or short circuit in tcm control circuit, poor contact in traction control module connectors. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Disabling the traction control system
- Poor handling on slippery roads
- Possible problems with ABS
Causes
- Open or short circuit in TCM control circuit
- Poor contact in traction control module connectors
- Traction control module (TCM) malfunction
- Problems with wheel sensors or ABS
- Engine control unit (ECU) malfunction
How to Fix
- Check the integrity of wires and connectors in the TCM control circuit
- Check voltage and resistance in the circuit
- Scan other related systems (ABS, wheel sensors)
- If necessary, replace the traction control module or repair the wiring
- Reset the error and check if it returns
Related codes
FAQ
What does the C1447 code mean?
C1447 is an OBD-II diagnostic trouble code that indicates: Traction Control Module Request Circuit Failure
What causes a C1447 error code?
The most common causes of C1447 include: Open or short circuit in TCM control circuit; Poor contact in traction control module connectors; Traction control module (TCM) malfunction; Problems with wheel sensors or ABS.
How do I fix a C1447 diagnostic trouble code?
To fix C1447: Check the integrity of wires and connectors in the TCM control circuit. Check voltage and resistance in the circuit. Scan other related systems (ABS, wheel sensors). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1447?
Limited driving only, diagnose soon
How much does it cost to fix C1447?
The estimated repair cost for C1447 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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