What does code P0898 mean?

Q: What does code P0898 mean?

Transmission Control System MIL Request Circuit Low. P0898 means the transmission control module (TCM) has detected a low-voltage condition on the circuit that requests the malfunction indicator lamp (MIL) to illuminate. The TCM monitors this dedicated output circuit and sets the code when the voltage on the request line falls below the expected threshold, indicating a short to ground or an open circuit.

DTC codes / P08xx · Transmission / P0898

P0898Transmission Control System MIL Request Circuit Low

P0898 means the transmission control module (TCM) has detected a low-voltage condition on the circuit that requests the malfunction indicator lamp (MIL) to illuminate. The TCM monitors this dedicated output circuit and sets the code when the voltage on the request line falls below the expected threshold, indicating a short to ground or an open circuit.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaTransmission

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.