Powertrain
generic / SAE
P0892
TCM Power Relay Sense Circuit Intermittent
The sense feedback from the TCM power relay drops out intermittently. Loose connector or oxidised relay contact.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number8 / 92
Possible causes
- Connector not seated high
- Relay contact oxidised medium
- Connector with intermittent contact under vibration low
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 80–400 €
- Estimated time: 0.3–2 h
- Component: tcm power relay
- Component: wiring harness
- Component: tcm
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012