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Home DTC Codes P0947 Medium · 45min
P0947 Warning

OBD2 code P0947: Miscellaneous engine sensors

Engine auxiliary sensor fault.

ECU: ECM

Detected Root Component

Powertrain Component

Confidence level: low

Observed Symptoms

  • Engine light on (MIL/Check Engine)
  • Rough or unstable slow motion

Possible Causes

  • Defective sensor
  • Damaged wiring
  • Corroded connector
Diagnostic Progress 0 %
Difficulty Medium
Est. time 45min
Tools Required 5 tool(s)

Tools Required

multimeter OBD scanner wiring diagram backprobe pins flashlight

Interactive Diagnostic

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Diagnostic Result

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Parts likely to be the cause (Moteur (général))

Moteur (général)

Moteur (général)

Photo d'illustration : Moteur (général)

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Frequently asked questions about code P0947

What does code P0947 mean?

OBD2 code P0947: Miscellaneous engine sensors. Engine auxiliary sensor fault.

What are the symptoms of code P0947?

Code P0947 may cause: Engine light on (MIL/Check Engine), Rough or unstable slow motion. The intensity of these symptoms varies depending on the vehicle and driving conditions.

What causes code P0947?

The most common causes of code P0947 are: Defective sensor, Damaged wiring, Corroded connector. A proper OBD2 diagnostic will pinpoint the exact cause.

Is it serious to drive with code P0947?

Code P0947 has moderate severity (Warning). Short-term driving remains possible, but a prompt check is recommended to prevent worsening.

How do I fix code P0947?

Start by reading the code with an OBD2 scanner, then follow the interactive decision tree on this page. Priority causes to check: Defective sensor, Damaged wiring, Corroded connector. Difficulty: Medium · Estimated time: 45min.