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TuningBot DTC Database · v4.37.15

P1239 Diagnostic Trouble Code (11 interpretations)

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

Chevrolet

1 interpretation
P1239
Injector 6 - circuit malfunction Chevrolet · fuel Data confidence 62%

The control module detected improper operation of the Injector 6 circuit. This is the manufacturer-specific definition used by Chevrolet.

Possible causes

  • Wiring
  • injector
  • ECM

Chrysler

1 interpretation
P1239
Engine oil temperature (EOT) - temperature too low Chrysler · engine Data confidence 62%

The control module detected that the Engine oil temperature (EOT) - temperature value was below the expected limit. This is the manufacturer-specific definition used by Chrysler.

Possible causes

  • Engine oil
  • wiring
  • EOT sensor
  • ECM

Dodge

1 interpretation
P1239
Engine oil temperature (EOT) - temperature too low Dodge · engine Data confidence 62%

The control module detected that the Engine oil temperature (EOT) - temperature value was below the expected limit. This is the manufacturer-specific definition used by Dodge.

Possible causes

  • Engine oil
  • wiring
  • EOT sensor
  • ECM

Ford

1 interpretation
P1239
Speed Fuel Pump Positive Feed Fault Ford · fuel Data confidence 80%

The control module registered the fault condition described as "Speed Fuel Pump Positive Feed Fault". This is the manufacturer-specific definition used by Ford.

Jeep

1 interpretation
P1239
Engine Oil Temperature Too Low Jeep · engine Data confidence 62%

The control module detected that the Engine Oil Temperature value was below the expected limit. This is the manufacturer-specific definition used by Jeep.

Mazda

1 interpretation
P1239
Speed Fuel Pump Positive Feed Mazda · fuel Data confidence 62%

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

Mitsubishi

1 interpretation
P1239
Crankshaft position (CKP) sensor - range/performance problem Mitsubishi · engine Data confidence 62%

The control module judged the Crankshaft position (CKP) behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Mitsubishi.

Possible causes

  • Wiring
  • crankshaft position (CKP) sensor
  • ECM

Nissan

1 interpretation
P1239
Throttle position (TP) - performance Nissan · engine Data confidence 62%

The control module judged the Throttle position (TP) behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Nissan.

Possible causes

  • Wiring
  • throttle actuator
  • TP sensor

Porsche

1 interpretation
P1239
Fuel Injector Cylinder 3 Porsche · fuel Data confidence 62%

The control module detected a fault associated with the Fuel Injector Cylinder 3 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Porsche.

VAG

2 interpretations
P1239
Injector 3 - open circuit VAG · fuel Data confidence 62%

The control module detected an interruption (open circuit) in the Injector 3 circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring open circuit
  • injector
Applies to Audi
P1239
Fuel Injector for Cylinder 3 (N32): Open Circuit VAG · fuel Data confidence 88%

The control module detected an interruption (open circuit) in the Fuel Injector for Cylinder 3 (N32) circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17647. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

  • MIL On
  • Poor engine performance

Possible causes

  • Fuse for injector
  • Wiring harness issue
  • Failed injector
  • Failed ECM

Recommended checks

  • Inspect fuse for injector
  • Inspect wiring to and from injector, see repair manual
Applies to Volkswagen

Related and nearby codes

How to read P1239

P

Powertrain: engine, transmission and driveline systems.

1

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

239

Specific fault index within the subsystem.

Frequently asked questions about P1239

What does P1239 mean?

Diagnostic Trouble Code (11 interpretations). The control module detected improper operation of the Injector 6 circuit. This is the manufacturer-specific definition used by Chevrolet.

Is P1239 generic or manufacturer-specific?

P1239 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Chrysler, Dodge, Ford, Jeep, Mazda, Mitsubishi, Nissan, Porsche, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1239 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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