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TuningBot DTC Database · v4.37.15

P1670 Volvo - Immobilizer control module - communication error/tampering/code error

Manufacturer-specific interpretation for Volvo. All interpretations of P1670

P · PowertrainImmobilizerOBD2

What P1670 means

P1670
Immobilizer control module - communication error/tampering/code error Volvo · immobilizer Data confidence 62%

The control module detected a communication fault involving Immobilizer control module on the vehicle network. This is the manufacturer-specific definition used by Volvo.

Possible causes

  • Wiring
  • immobilizer control module/multifunction control module
  • ECM

Related and nearby codes

How to read P1670

P

Powertrain: engine, transmission and driveline systems.

1

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

670

Specific fault index within the subsystem.

Frequently asked questions about P1670

What does P1670 mean?

Immobilizer control module - communication error/tampering/code error. The control module detected a communication fault involving Immobilizer control module on the vehicle network. This is the manufacturer-specific definition used by Volvo.

Is P1670 generic or manufacturer-specific?

P1670 is a manufacturer-specific code. In this database it is documented for: Volvo. The same number can mean something different on other brands.

Can TuningBot remove P1670 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 Volvo engines See the results →

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