Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P1500 Diagnostic Trouble Code (14 interpretations)

14 manufacturer-specific interpretations across 13 manufacturers in the TuningBot DTC database.

Dodge

1 interpretation
P1500
Alternator - circuit malfunction Dodge · battery Data confidence 62%

The control module detected improper operation of the Alternator circuit. This is the manufacturer-specific definition used by Dodge.

Possible causes

  • Wiring
  • battery
  • alternator
  • ECM

Ford

1 interpretation
P1500
Vehicle Speed Sensor Ford · engine Data confidence 80%

The control module detected a fault associated with the Vehicle Speed Sensor circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Ford.

Possible causes

  • Wiring
  • VSS
  • ECM

Hyundai

1 interpretation
P1500
Air Conditioning(A/C) Switch Hyundai · climate_control Data confidence 62%

The control module detected a fault associated with the Air Conditioning(A/C) Switch circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Hyundai.

Jeep

1 interpretation
P1500
Alternator Terminal Circuit Conditions Jeep · battery Data confidence 62%

The control module detected a fault associated with the Alternator Terminal Circuit Conditions circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Jeep.

Land Rover

1 interpretation
P1500
Vehicle speed sensor (VSS) Land Rover · engine Data confidence 62%

The control module detected a fault associated with the Vehicle speed sensor (VSS) circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Land Rover.

Possible causes

  • Wiring
  • VSS
  • ECM

Lexus

1 interpretation
P1500
Starter signal - circuit malfunction Lexus · engine Data confidence 80%

The control module detected improper operation of the Starter circuit. This is the manufacturer-specific definition used by Lexus.

Possible causes

  • Wiring
  • ignition switch
  • engine control relay
  • ECM

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Inspect relevant wiring and connectors
  • Check power supplies and grounds
  • Compare commanded and measured values
  • Check applicable OEM service information

Mazda

1 interpretation
P1500
Vehicle speed sensor (VSS) - intermittent fault Mazda · engine Data confidence 62%

The control module registered the fault condition described as "Vehicle speed sensor (VSS) - intermittent fault". This is the manufacturer-specific definition used by Mazda.

Possible causes

  • Wiring
  • VSS
  • ECM

MINI

1 interpretation
P1500
Idle Speed Control Valve Stuck Open MINI · engine Data confidence 62%

The control module determined that the Idle Speed Control Valve did not change state as commanded and appears stuck. This is the manufacturer-specific definition used by MINI.

Opel

1 interpretation
P1500
Electronic throttle system (ETS) - circuit malfunction Opel · engine Data confidence 62%

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

PSA

1 interpretation
P1500
Communication on the network (CAN) : BSI information, Gearbox locked in reverse gear PSA · transmission Data confidence 72%

The control module detected the fault condition "BSI information, Gearbox locked in reverse gear" for the Communication on the network (CAN). Documented for the Siemens SID 803 injection ECU (DW10BTED4 2.0 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Applies to Peugeot Siemens SID 803 injection ECU (DW10BTED4 2.0 HDi)

Suzuki

1 interpretation
P1500
Starter signal - circuit malfunction Suzuki · engine Data confidence 80%

The control module detected improper operation of the Starter circuit. This is the manufacturer-specific definition used by Suzuki.

Possible causes

  • Wiring
  • ECM

Toyota

1 interpretation
P1500
Starter signal - circuit malfunction Toyota · engine Data confidence 80%

The control module detected improper operation of the Starter circuit. This is the manufacturer-specific definition used by Toyota.

Possible causes

  • Wiring
  • ignition switch
  • engine control relay
  • ECM

VAG

2 interpretations
P1500
Fuel pump relay - circuit malfunction VAG · fuel Data confidence 62%

The control module detected improper operation of the Fuel pump relay circuit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring
  • fuel pump relay
Applies to Audi
P1500
Fuel pump relay - circuit malfunction VAG · fuel Data confidence 80%

The control module detected improper operation of the Fuel pump relay circuit. This is the manufacturer-specific definition used by Volkswagen.

Possible causes

  • Wiring
  • fuel pump relay
Applies to Volkswagen

Related and nearby codes

How to read P1500

P

Powertrain: engine, transmission and driveline systems.

1

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

500

Specific fault index within the subsystem.

Frequently asked questions about P1500

What does P1500 mean?

Diagnostic Trouble Code (14 interpretations). The control module detected improper operation of the Alternator circuit. This is the manufacturer-specific definition used by Dodge.

Is P1500 generic or manufacturer-specific?

P1500 is a manufacturer-specific code. In this database it is documented for: Dodge, Ford, Hyundai, Jeep, Land Rover, Lexus, Mazda, MINI, Opel, PSA, Suzuki, Toyota, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1500 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 →

← Search the full DTC database