The control module detected improper operation of the TCM Power Relay Sense circuit.
Possible causes
- Wiring
- poor connection
- TCM power relay
- TCM
TuningBot DTC Database · v4.37.15
Generic (OBD-II) interpretation in the TuningBot DTC database.
The control module detected improper operation of the TCM Power Relay Sense circuit.
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
TCM Power Relay Sense Circuit. The control module detected improper operation of the TCM Power Relay Sense circuit.
P0888 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Understand the system behind this code: Diagnostic Strategy and DTC Logic