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TuningBot DTC Database · v4.37.15

P0887 TCM Power Relay Control Circuit High

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

P · PowertrainTransmissionOBD2

What P0887 means

P0887
TCM Power Relay Control Circuit High Generic · transmission Data confidence 90%

The control module detected that the signal in the TCM Power Relay Control circuit stayed above the expected operating range.

Possible causes

  • Wiring
  • short to positive
  • TCM power relay
  • TCM

Related and nearby codes

How to read P0887

P

Powertrain: engine, transmission and driveline systems.

0

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

887

Specific fault index within the subsystem.

Frequently asked questions about P0887

What does P0887 mean?

TCM Power Relay Control Circuit High. The control module detected that the signal in the TCM Power Relay Control circuit stayed above the expected operating range.

Is P0887 generic or manufacturer-specific?

P0887 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0887 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 →

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