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Home DTC Codes P1054 Medium · 30-60min
P1054 Warning

OBD2 code P1054: Manufacturer specific - Engine system

Manufacturer specific code.

ECU: ECM

Detected Root Component

Powertrain Component

Confidence level: low

Observed Symptoms

  • Engine light on (MIL/Check Engine)
  • Loss of engine power

Possible Causes

  • Defective sensor
  • Damaged wiring
  • Faulty engine computer (ECU)
  • Obsolete calibration
Diagnostic Progress 0 %
Difficulty Medium
Est. time 30-60min
Tools Required 3 tool(s)

Tools Required

multimeter OBD scanner wiring diagram

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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 P1054

What does code P1054 mean?

OBD2 code P1054: Manufacturer specific - Engine system. Manufacturer specific code.

What are the symptoms of code P1054?

Code P1054 may cause: Engine light on (MIL/Check Engine), Loss of engine power. The intensity of these symptoms varies depending on the vehicle and driving conditions.

What causes code P1054?

The most common causes of code P1054 are: Defective sensor, Damaged wiring, Faulty engine computer (ECU), Obsolete calibration. A proper OBD2 diagnostic will pinpoint the exact cause.

Is it serious to drive with code P1054?

Code P1054 has moderate severity (Warning). Short-term driving remains possible, but a prompt check is recommended to prevent worsening.

How do I fix code P1054?

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, Faulty engine computer (ECU), Obsolete calibration. Difficulty: complex · Estimated time: 30-60min.