Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P1506 VAG - Closed throttle position (CTP) switch - does not open

Manufacturer-specific interpretation for VAG. All interpretations of P1506

P · PowertrainEngineOBD2

What P1506 means

P1506
Closed throttle position (CTP) switch - does not open VAG · engine Data confidence 62%

The control module detected a fault associated with the Closed throttle position (CTP) switch - does not open circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Moisture ingress
  • wiring short to ground
  • CTP switch adjustment/ defec tive
  • ECM
Applies to Audi
P1506
Closed throttle position (CTP) switch - does not open VAG · engine Data confidence 80%

The control module detected a fault associated with the Closed throttle position (CTP) switch - does not open circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Volkswagen.

Possible causes

  • Moisture ingress
  • wiring short to ground
  • CTP switch adjustment/ defec tive
  • ECM
Applies to Volkswagen

Related and nearby codes

How to read P1506

P

Powertrain: engine, transmission and driveline systems.

1

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

506

Specific fault index within the subsystem.

Frequently asked questions about P1506

What does P1506 mean?

Closed throttle position (CTP) switch - does not open. The control module detected a fault associated with the Closed throttle position (CTP) switch - does not open circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Audi.

Is P1506 generic or manufacturer-specific?

P1506 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 P1506 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 →

← Search the full DTC database