Fault Code P0888
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0888
TCM Power Relay Sense Circuit /Open
This code indicates a problem in the sense circuit of the Transmission Control Module (TCM) power relay, or a short/open circuit. The TCM cannot verify it is receiving power.
Part Details
Part Name
TCM Relay
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪150 - ₪800
Engine Location
Fuse box/Engine compartment
Symptoms
- Vehicle won't start or move
- Transmission unresponsive
- Check Engine Light illuminated
- Transmission in limp mode
Possible Causes
- 1Faulty TCM relay
- 2Open or short circuit in sense circuit wiring
- 3Blown fuse
- 4Loose or corroded connections
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