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TuningBot DTC Database · v4.37.15

P1018 Diagnostic Trouble Code (4 interpretations)

4 manufacturer-specific interpretations across 3 manufacturers in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:BMWDodgeVAG

BMW

1 interpretation
P1018
VVT control module - internal fault, voltage low BMW · engine Data confidence 62%

The control module detected that the VVT control module - internal fault voltage stayed below the expected range. This is the manufacturer-specific definition used by BMW.

Possible causes

  • ECM programming
  • ECM

Dodge

1 interpretation
P1018
Ignition coil, 4 - secondary circuit low Dodge · ignition Data confidence 62%

The control module detected that the signal in the Ignition coil, 4 - secondary circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Dodge.

Possible causes

  • Wiring
  • connectors
  • ignition coil 4
  • spark plug
  • ECM

VAG

2 interpretations
P1018
Intake Manifold Runner Bank 2 Lower Limit Not Reached VAG · engine Data confidence 62%

The control module detected that the Intake Manifold Runner Bank 2 value was below the expected limit. This is the manufacturer-specific definition used by Audi.

Applies to Audi
P1018
Intake Manifold Runner (Bank 2): Lower Limit not reached VAG · engine Data confidence 84%

The control module detected that the Intake Manifold Runner (Bank 2) value was below the expected limit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17426. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

Malfunction Indicator Light (MIL) ON

Possible causes

  • Fuse(s) faulty
  • Wiring and/or Connector(s) from/to Intake Manifold Runner Motor 2 (V275) faulty
  • Intake Manifold Runner Motor 2 (V275) faulty
  • Intake Manifold Flap 2 faulty

Recommended checks

  • Check Fuse(s)
  • Check Wiring and/or Connector(s) from/to Intake Manifold Runner Motor 2 (V275)
  • Check/Replace Intake Manifold Runner Motor 2 (V275)
  • Check/Replace Intake Manifold Flap 2
Applies to Volkswagen

Related and nearby codes

P10 range
P1000P1001P1002P1003P1004P1005P1006P1007P1008P1009P100AP100CP100FP1010P1011P1012P1013P1014

How to read P1018

P

Powertrain: engine, transmission and driveline systems.

1

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

018

Specific fault index within the subsystem.

Frequently asked questions about P1018

What does P1018 mean?

Diagnostic Trouble Code (4 interpretations). The control module detected that the VVT control module - internal fault voltage stayed below the expected range. This is the manufacturer-specific definition used by BMW.

Is P1018 generic or manufacturer-specific?

P1018 is a manufacturer-specific code. In this database it is documented for: BMW, Dodge, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1018 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: Swirl Flaps

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