Crankshaft position (CKP) sensor/engine speed (RPM) sensor - control limit reached
VAG · engine
Data confidence62%
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.
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.