OBD2 code P1154: Manufacturer specific - Engine sensors
Faulty manufacturer specific sensor.
Detected Root Component
Powertrain Component
Observed Symptoms
- Engine light on (MIL/Check Engine)
- Rough or unstable slow motion
- Excessive fuel consumption
Possible Causes
- Defective sensr
- Damaged wiring
- Obsolete calibration
Tools Required
Interactive Diagnostic
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Diagnostic Result
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Parts likely to be the cause (Moteur (général))
Moteur (général)
Photo d'illustration : Moteur (général)
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Frequently asked questions about code P1154
What does code P1154 mean? ▾
OBD2 code P1154: Manufacturer specific - Engine sensors. Faulty manufacturer specific sensor.
What are the symptoms of code P1154? ▾
Code P1154 may cause: Engine light on (MIL/Check Engine), Rough or unstable slow motion, Excessive fuel consumption. The intensity of these symptoms varies depending on the vehicle and driving conditions.
What causes code P1154? ▾
The most common causes of code P1154 are: Defective sensor, Damaged wiring, Obsolete calibration. A proper OBD2 diagnostic will pinpoint the exact cause.
Is it serious to drive with code P1154? ▾
Code P1154 has moderate severity (Warning). Short-term driving remains possible, but a prompt check is recommended to prevent worsening.
How do I fix code P1154? ▾
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, Obsolete calibration. Difficulty: complex · Estimated time: 30-60min.