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TuningBot DTC Database · v4.37.15

P1526 Diagnostic Trouble Code (10 interpretations)

10 manufacturer-specific interpretations across 8 manufacturers in the TuningBot DTC database.

P · PowertrainEngineOBD2

Chrysler

1 interpretation
P1526
TP Sensor Learn Not Complete Chrysler · engine Data confidence 62%

The control module detected a fault associated with the TP Sensor Learn Not Complete circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Confirm the exact vehicle, ECU and software context
  • Inspect relevant wiring and connectors
  • Check applicable OEM service information

Hyundai

1 interpretation
P1526
Sensor Supply Voltage 1 - Malfunction Hyundai · battery Data confidence 62%

The control module detected improper operation of the Sensor Supply Voltage 1. This is the manufacturer-specific definition used by Hyundai.

Mazda

1 interpretation
P1526
Supercharger air control solenoid (vent) - short/open circuit Mazda · engine Data confidence 62%

The control module detected an interruption (open circuit) in the Supercharger air control solenoid (vent) - short/ circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Mazda.

Possible causes

  • Wiring
  • air control solenoid
  • ECM

MINI

1 interpretation
P1526
Camshaft Position Actuator 'A' Control Open Circuit Bank 2 MINI · engine Data confidence 62%

The control module detected an interruption (open circuit) in the Camshaft Position Actuator 'A' Control circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by MINI.

Opel

1 interpretation
P1526
Electronic throttle system (ETS), adaptation - malfunction Opel · engine Data confidence 62%

The control module detected improper operation of the Electronic throttle system (ETS), adaptation. This is the manufacturer-specific definition used by Opel.

PSA

2 interpretations
P1526
Gear selection actuator electric motor control fault : Coherence PSA · engine Data confidence 72%

The control module detected that the Gear selection actuator electric motor control fault was not coherent with related operating data. Documented for the Automated manual gearbox electric control ECU on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Applies to Peugeot Automated manual gearbox electric control ECU
P1526
Alternator charge information fault : Alternator fault PSA · battery Data confidence 72%

The control module detected the fault condition "Alternator fault" for the Alternator charge information fault. Documented for the Bosch EDC16C34 injection ECU (DV6TED4 1.6 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Applies to Peugeot Bosch EDC16C34 injection ECU (DV6TED4 1.6 HDi)

VAG

2 interpretations
P1526
Camshaft position (CMP) actuator, Bank 1 - short to positive VAG · engine Data confidence 62%

The control module detected a short circuit to battery voltage in the Camshaft position (CMP) actuator, Bank 1 circuit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring short to positive
  • CMP actuator
Applies to Audi
P1526
Camshaft Timing Adj. Bank1 (N205): Short to Plus VAG · engine Data confidence 80%

The control module detected a short circuit to battery voltage in the Camshaft Timing Adj. Bank1 (N205) circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17934. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

  • MIL On
  • Poor engine performance

Possible causes

  • Wiring harness issue
  • Failed N205 adjuster (electrical)
  • Failed ECM

Recommended checks

Inspect wiring harness to and from N205 adjuster

Applies to Volkswagen

Volvo

1 interpretation
P1526
Engine control module (ECM) - malfunction Volvo · engine Data confidence 62%

The control module detected improper operation of the Engine control module (ECM). This is the manufacturer-specific definition used by Volvo.

Possible causes

ECM

Related and nearby codes

How to read P1526

P

Powertrain: engine, transmission and driveline systems.

1

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

526

Specific fault index within the subsystem.

Frequently asked questions about P1526

What does P1526 mean?

Diagnostic Trouble Code (10 interpretations). The control module detected a fault associated with the TP Sensor Learn Not Complete circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.

Is P1526 generic or manufacturer-specific?

P1526 is a manufacturer-specific code. In this database it is documented for: Chrysler, Hyundai, Mazda, MINI, Opel, PSA, VAG, Volvo. The same number can mean something different on other brands.

Can TuningBot remove P1526 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 tuningDyno-tested results by model and engine See the results →

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