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TuningBot DTC Database · v4.37.15

P1171 BMW - Knock sensor(s) (KS) - circuit malfunction

Manufacturer-specific interpretation for BMW. All interpretations of P1171

P · PowertrainIgnitionOBD2

What P1171 means

P1171
Knock sensor(s) (KS) - circuit malfunction BMW · ignition Data confidence 62%

The control module detected improper operation of the Knock sensor(s) (KS) circuit. This is the manufacturer-specific definition used by BMW.

Possible causes

  • Wiring
  • connector
  • KS incorrectly tightened
  • KS

Related and nearby codes

How to read P1171

P

Powertrain: engine, transmission and driveline systems.

1

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

171

Specific fault index within the subsystem.

Frequently asked questions about P1171

What does P1171 mean?

Knock sensor(s) (KS) - circuit malfunction. The control module detected improper operation of the Knock sensor(s) (KS) circuit. This is the manufacturer-specific definition used by BMW.

Is P1171 generic or manufacturer-specific?

P1171 is a manufacturer-specific code. In this database it is documented for: BMW. The same number can mean something different on other brands.

Can TuningBot remove P1171 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 BMW engines See the results →

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