Fault Code P0890
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0890
TCM Power Relay Sense Circuit High
This code indicates an unexpectedly high voltage in the sense circuit of the Transmission Control Module (TCM) power relay. This may indicate a short to positive or a fault in the sense circuit.
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 - ₪700
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
- 1Short to positive in sense circuit
- 2Faulty TCM relay
- 3Wiring issues
- 4ECM or TCM failure
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