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TuningBot DTC Database · v4.37.15

P1009 Diagnostic Trouble Code (5 interpretations)

5 manufacturer-specific interpretations across 4 manufacturers in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:BMWDodgeHondaVAG

BMW

1 interpretation
P1009
VVT sensor circuit, bank 1 - diagnostic fault BMW · engine Data confidence 62%

The control module registered the fault condition described as "VVT sensor circuit, bank 1 - diagnostic fault". This is the manufacturer-specific definition used by BMW.

Possible causes

  • Wiring
  • variable valve timing sensor

Dodge

1 interpretation
P1009
ECU Battery Feed & Power Grounds Dodge · engine Data confidence 62%

The control module detected a fault associated with the ECU Battery Feed & Power Grounds circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Dodge.

Honda

1 interpretation
P1009
Camshaft position (CMP), intake/letufront, bank 1 - circuit malfunction/timing over - advanced/system performance Honda · engine Data confidence 62%

The control module detected improper operation of the Camshaft position (CMP), intake/letufront, bank 1 circuit. This is the manufacturer-specific definition used by Honda.

Possible causes

  • Wiring
  • valve timing
  • engine mechanical fault
  • CMP actuator
  • ECM

VAG

2 interpretations
P1009
Air Mass Meter 1/2 Implausible Signal From Load Detection VAG · engine Data confidence 62%

The control module judged the Air Mass Meter 1/2 signal implausible when compared with other operating data. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring
  • MAF sensor(s)
Applies to Audi
P1009
Air Mass Meter 1/2 Implausible Signal From Load Detection VAG · engine Data confidence 62%

The control module judged the Air Mass Meter 1/2 signal implausible when compared with other operating data. This is the manufacturer-specific definition used by Volkswagen.

Possible causes

  • Wiring
  • MAF sensor(s)
Applies to Volkswagen

Related and nearby codes

P10 range
P1000P1001P1002P1003P1004P1005P1006P1007P1008P100AP100CP100FP1010P1011P1012P1013P1014P1015

How to read P1009

P

Powertrain: engine, transmission and driveline systems.

1

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

009

Specific fault index within the subsystem.

Frequently asked questions about P1009

What does P1009 mean?

Diagnostic Trouble Code (5 interpretations). The control module registered the fault condition described as "VVT sensor circuit, bank 1 - diagnostic fault". This is the manufacturer-specific definition used by BMW.

Is P1009 generic or manufacturer-specific?

P1009 is a manufacturer-specific code. In this database it is documented for: BMW, Dodge, Honda, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1009 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

Stage 1/2/3 TuningDPF RemovalEGR RemovalAdBlue / SCR RemovalDTC RemovalIMMO OFFSpeed Limiter (Vmax)

Understand the system behind this code: Diagnostic Strategy and DTC Logic

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