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TuningBot DTC Database · v4.37.14

P0657 Actuator Supply Voltage Circuit / Open

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

P · PowertrainBatteryOBD2

What P0657 means

P0657
Actuator Supply Voltage Circuit / Open Generic · battery Data confidence 90%

The control module detected an interruption (open circuit) in the Actuator Supply Voltage circuit, so the expected electrical continuity was not present.

Possible causes

Wiring

Related and nearby codes

How to read P0657

P

Powertrain: engine, transmission and driveline systems.

0

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

657

Specific fault index within the subsystem.

Frequently asked questions about P0657

What does P0657 mean?

Actuator Supply Voltage Circuit / Open. The control module detected an interruption (open circuit) in the Actuator Supply Voltage circuit, so the expected electrical continuity was not present.

Is P0657 generic or manufacturer-specific?

P0657 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0657 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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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