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TuningBot DTC Database · v4.37.15

P1671 PSA - Diagnostic Trouble Code (3 interpretations)

Manufacturer-specific interpretation for PSA. All interpretations of P1671

P · PowertrainDriver_assistanceOBD2

What P1671 means

P1671
ECU : Vehicle cruise control not plausible PSA · driver_assistance Data confidence 72%

The control module detected that the ECU was implausible for the operating conditions. Documented for the Delphi DCM 3.5 injection ECU (DW10C 2.0 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Applies to Peugeot Delphi DCM 3.5 injection ECU (DW10C 2.0 HDi)
P1671
Cruise control PSA · driver_assistance Data confidence 72%

The stored code identifies a fault of the Cruise control. Documented for the Magneti Marelli MM6KP engine ECU (EW7A/EW10A) on Peugeot applications; the same PSA control units are also fitted to Citroën models. PSA documentation does not characterise the failure mode further.

Applies to Peugeot Magneti Marelli MM6KP engine ECU (EW7A/EW10A)
P1671
Engine ECU : Cruise control fault PSA · driver_assistance Data confidence 72%

The control module detected the fault condition "Cruise control fault" for the Engine ECU. Documented for the Siemens SID 803 injection ECU (DW10BTED4 2.0 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Applies to Peugeot Siemens SID 803 injection ECU (DW10BTED4 2.0 HDi)

Related and nearby codes

How to read P1671

P

Powertrain: engine, transmission and driveline systems.

1

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

671

Specific fault index within the subsystem.

Frequently asked questions about P1671

What does P1671 mean?

Diagnostic Trouble Code (3 interpretations). The control module detected that the ECU was implausible for the operating conditions. Documented for the Delphi DCM 3.5 injection ECU (DW10C 2.0 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Is P1671 generic or manufacturer-specific?

P1671 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 P1671 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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