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TuningBot DTC Database · v4.37.15

P1397 VAG - Crankshaft position (CKP) sensor/engine speed (RPM) sensor - control limit reached

Manufacturer-specific interpretation for VAG. All interpretations of P1397

P · PowertrainEngineOBD2

What P1397 means

P1397
Crankshaft position (CKP) sensor/engine speed (RPM) sensor - control limit reached VAG · engine Data confidence 62%

The control module detected that the monitored Crankshaft position (CKP) sensor/engine speed (RPM) sensor - control value reached its permissible limit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Insecure/damaged rotor
  • CKP/RPM sensor
Applies to Audi

Related and nearby codes

How to read P1397

P

Powertrain: engine, transmission and driveline systems.

1

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

397

Specific fault index within the subsystem.

Frequently asked questions about P1397

What does P1397 mean?

Crankshaft position (CKP) sensor/engine speed (RPM) sensor - control limit reached. The control module detected that the monitored Crankshaft position (CKP) sensor/engine speed (RPM) sensor - control value reached its permissible limit. This is the manufacturer-specific definition used by Audi.

Is P1397 generic or manufacturer-specific?

P1397 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 P1397 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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