Manifold Absolute Pressure Sensor High Input
The MAP sensor reports a pressure above the upper threshold the ECU expects in any engine state. Typically caused by a short in the signal circuit or a sensor that has failed producing a fixed high output.
Affected components
- Map sensor
- Map sensor wiring
Common causes
- High likelihood: Signal wire shorted to supply voltage
- Medium likelihood: MAP sensor failed
- Low likelihood: Sensor ground broken
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- A drive cycle may be required after repair
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.