P0885
TCM Power Relay Control Circuit/Open
P0885 is an OBD-II diagnostic trouble code meaning: TCM Power Relay Control Circuit/Open. Common causes: faulty tcm relay, open or short circuit in wiring harness. Estimated repair cost: $6–33.
Symptoms
- Gear shifting problems
- The gearbox goes into emergency mode
- Check Engine light comes on
- The car may not move
Causes
- Faulty TCM relay
- Open or short circuit in wiring harness
- Corrosion of relay contacts
- TCM module malfunction
- Circuit fuse problems
How to Fix
- Check the condition of the circuit fuse
- Inspect the TCM relay and replace if necessary
- Check wiring harness for damage
- Clean relay contacts from corrosion
- Check the TCM module for malfunctions
Related codes
Error P0885 by Vehicle Brand
FAQ
What does the P0885 code mean?
P0885 is an OBD-II diagnostic trouble code that indicates: TCM Power Relay Control Circuit/Open
What causes a P0885 error code?
The most common causes of P0885 include: Faulty TCM relay; Open or short circuit in wiring harness; Corrosion of relay contacts; TCM module malfunction.
How do I fix a P0885 diagnostic trouble code?
To fix P0885: Check the condition of the circuit fuse. Inspect the TCM relay and replace if necessary. Check wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0885?
Do not drive — repair immediately
How much does it cost to fix P0885?
The estimated repair cost for P0885 is $6–33. Actual cost depends on your vehicle, location, and labor rates.
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