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TuningBot DTC Database · v4.37.15

P1629 VAG - CAN data bus, cruise control - no signal

Manufacturer-specific interpretation for VAG. All interpretations of P1629

P · PowertrainDriver_assistanceOBD2

What P1629 means

P1629
CAN data bus, cruise control - no signal VAG · driver_assistance Data confidence 62%

The control module did not receive the expected CAN data bus, cruise control signal. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Cruise control trouble code(s) stored
  • wiring
  • matching resistor in ECM
Applies to Audi

Related and nearby codes

How to read P1629

P

Powertrain: engine, transmission and driveline systems.

1

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

629

Specific fault index within the subsystem.

Frequently asked questions about P1629

What does P1629 mean?

CAN data bus, cruise control - no signal. The control module did not receive the expected CAN data bus, cruise control signal. This is the manufacturer-specific definition used by Audi.

Is P1629 generic or manufacturer-specific?

P1629 is a manufacturer-specific code. In this database it is documented for: VAG. The same number can mean something different on other brands.

Can TuningBot remove P1629 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 VAG engines See the results →

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