The P0892 trouble code indicates an intermittent signal from the Transmission Control Module (TCM) power relay sense circuit.
P0892 TCM Power Relay Sense Circuit Intermittent
Code symptoms P0892.
1. Check Engine Light (CEL) illuminated on the dashboard.
2. Possible transmission shifting irregularities.
3. Occasional vehicle entry into “limp mode,” with performance limitations.
4. Presence of other related trouble codes.
Causes of the code P0892.
1. Intermittent issues with the Transmission Control Module (TCM) power relay.
2. Intermittent wiring or connector problems in the power relay sense circuit.
3. Intermittent poor electrical connection or corrosion in the relay or circuit connector.
4. Intermittent problems with the transmission control module (TCM).
5. Intermittent internal transmission issues affecting power relay function.
Code Solutions P0892.
1. Thoroughly inspect and replace the Transmission Control Module (TCM) power relay if it’s intermittently faulty.
2. Address and repair any intermittent damage to wiring or connectors in the power relay sense circuit.
3. Ensure consistent and secure electrical connections, addressing any intermittent corrosion from connectors.
4. If the issue persists intermittently, conduct further diagnostics to identify internal transmission problems.
5. After completing repairs, clear the trouble codes from the vehicle’s computer.
6. Conduct a test drive to validate the resolution of the issue.