MAP Sensor Voltage Too High
Table of contents
P0238 JEEP Possible Causes
- Faulty Manifold Air Pressure (MAP) sensor
- Manifold Air Pressure sensor harness is open or shorted
- Manifold Air Pressure sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How do I fix code P0238 JEEP?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P0238 JEEP code
The cost of diagnosing the P0238 JEEP code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0238 JEEP Description
Manifold Air Pressure (MAP) sensor voltage is monitored when the engine speed is more than 416 RPM, but less than 3520 RPM and battery voltage is more than 10.4 volts. The Diagnostic Trouble Code (DTC) may be stored if the Engine Control Module (ECM) senses the MAP sensor signal voltage is more than 4.88 volts at the start or with the engine running for 2 seconds.