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TuningBot DTC Database · v4.37.15

P0690 ECM/PCM Power Relay Sense Circuit High

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

P · PowertrainBatteryOBD2

What P0690 means

P0690
ECM/PCM Power Relay Sense Circuit High Generic · battery Data confidence 90%

The control module detected that the signal in the ECM/PCM Power Relay Sense circuit stayed above the expected operating range.

Possible causes

  • Wiring short to positive
  • ECM/PCM power relay
  • ECM

Related and nearby codes

How to read P0690

P

Powertrain: engine, transmission and driveline systems.

0

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

690

Specific fault index within the subsystem.

Frequently asked questions about P0690

What does P0690 mean?

ECM/PCM Power Relay Sense Circuit High. The control module detected that the signal in the ECM/PCM Power Relay Sense circuit stayed above the expected operating range.

Is P0690 generic or manufacturer-specific?

P0690 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0690 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

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