Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P0888 TCM Power Relay Sense Circuit

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainTransmissionOBD2

What P0888 means

P0888
TCM Power Relay Sense Circuit Generic · transmission Data confidence 90%

The control module detected improper operation of the TCM Power Relay Sense circuit.

Possible causes

  • Wiring
  • poor connection
  • TCM power relay
  • TCM

Related and nearby codes

How to read P0888

P

Powertrain: engine, transmission and driveline systems.

0

Generic SAE-standard code: same meaning on every make.

888

Specific fault index within the subsystem.

Frequently asked questions about P0888

What does P0888 mean?

TCM Power Relay Sense Circuit. The control module detected improper operation of the TCM Power Relay Sense circuit.

Is P0888 generic or manufacturer-specific?

P0888 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0888 at file level?

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.

Other file services

ECU tuningDyno-tested results by model and engine See the results →

← Search the full DTC database