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TuningBot DTC Database · v4.37.15

P1156 VAG - Manifold absolute pressure (MAP) sensor - open circuit/short to ground

Manufacturer-specific interpretation for VAG. All interpretations of P1156

P · PowertrainEngineOBD2

What P1156 means

P1156
Manifold absolute pressure (MAP) sensor - open circuit/short to ground VAG · engine Data confidence 62%

The control module detected an interruption (open circuit) in the Manifold absolute pressure (MAP) circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring open circuit/short to ground
  • MAP sensor
Applies to Audi
P1156
Manifold absolute pressure (MAP) sensor - open circuit/short to ground VAG · engine Data confidence 80%

The control module detected an interruption (open circuit) in the Manifold absolute pressure (MAP) circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Volkswagen.

Possible causes

  • Wiring open circuit/short to ground
  • MAP sensor
Applies to Volkswagen

Related and nearby codes

How to read P1156

P

Powertrain: engine, transmission and driveline systems.

1

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

156

Specific fault index within the subsystem.

Frequently asked questions about P1156

What does P1156 mean?

Manifold absolute pressure (MAP) sensor - open circuit/short to ground. The control module detected an interruption (open circuit) in the Manifold absolute pressure (MAP) circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Audi.

Is P1156 generic or manufacturer-specific?

P1156 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 P1156 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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