Immobilizer control module - communication error/tampering/code error
Volvo · immobilizer
Data confidence62%
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
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.