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TuningBot DTC Database · v4.37.15

P1325 VAG - Knock control, cylinder 1 - control limit reached

Manufacturer-specific interpretation for VAG. All interpretations of P1325

P · PowertrainEngineOBD2

What P1325 means

P1325
Knock control, cylinder 1 - control limit reached VAG · engine Data confidence 62%

The control module detected that the monitored Knock control, cylinder 1 - control value reached its permissible limit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Poor quality fuel
  • incorrect fuel
  • insecure engine component
  • KS incorrectly tightened/ defec tive
  • shield wiring open circuit
  • poor connection
Applies to Audi
P1325
Knock control, cylinder 1 - control limit reached VAG · engine Data confidence 80%

The control module detected that the monitored Knock control, cylinder 1 - control value reached its permissible limit. This is the manufacturer-specific definition used by Volkswagen.

Possible causes

  • Poor quality fuel
  • incorrect fuel
  • insecure engine component
  • KS incorrectly tightened/ defec tive
  • shield wiring open circuit
  • poor connection
Applies to Volkswagen

Related and nearby codes

How to read P1325

P

Powertrain: engine, transmission and driveline systems.

1

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

325

Specific fault index within the subsystem.

Frequently asked questions about P1325

What does P1325 mean?

Knock control, cylinder 1 - control limit reached. The control module detected that the monitored Knock control, cylinder 1 - control value reached its permissible limit. This is the manufacturer-specific definition used by Audi.

Is P1325 generic or manufacturer-specific?

P1325 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 P1325 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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