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TuningBot DTC Database · v4.37.15

P171A CAN and wire brake information incoherence fault : Coherence

1 manufacturer-specific interpretation across 1 manufacturer in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:PSA

PSA

1 interpretation
P171A
CAN and wire brake information incoherence fault : Coherence PSA · engine Data confidence 72%

The control module detected that the CAN and wire brake information incoherence fault was not coherent with related operating data. Documented for the MCP 6-speed piloted manual gearbox ECU on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Applies to Peugeot MCP 6-speed piloted manual gearbox ECU

Related and nearby codes

How to read P171A

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

71A

Specific fault index within the subsystem.

Frequently asked questions about P171A

What does P171A mean?

CAN and wire brake information incoherence fault : Coherence. The control module detected that the CAN and wire brake information incoherence fault was not coherent with related operating data. Documented for the MCP 6-speed piloted manual gearbox ECU on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Is P171A generic or manufacturer-specific?

P171A is a manufacturer-specific code. In this database it is documented for: PSA. The same number can mean something different on other brands.

Can TuningBot remove P171A 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 tuningStage 1 dyno results for PSA engines See the results →

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