P0892
PowertrainTransmissionhigh severityTCM Power Relay Sense Circuit High
What P0892 Means
The transmission control module detects an abnormally high signal on the power relay sense circuit. Voltage is above the expected threshold.
Symptoms
- Transmission warning light on
- Erratic shifting
- Possible limp mode
Common Causes
- Shorted TCM power relay
- Wiring short to voltage
- Corroded relay connectors
- Faulty transmission control module
Diagnostic Steps
- Scan for related transmission codes
- Test power relay operation
- Measure sense circuit voltage
- Inspect wiring for short to power
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