Operation CHARM: Car repair manuals for everyone.

P0238

Test 1 - 2:




Test 3 - 7:




Test 8:






SYMPTOM
P0238-MAP SENSOR VOLTAGE TOO HIGH

WHEN MONITORED
With the ignition on and battery voltage greater than 10.4 volts.

SET CONDITION
The circuit voltage to the ECM is above a calibrated threshold for a certain period of time.

POSSIBLE CAUSES
- Other DTC'S
- (K9) signal circuit shorted to battery
- (K72E) 5-volt supply circuit shorted to battery
- MAP sensor
- (K9) signal circuit short to supply
- (K72E) 5-volt supply circuit short to battery
- Intermittent
- ECM