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Home >> Jeep >> 2003 >> Grand Cherokee 4WD V8-4.7L >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> P Code Charts >> P0868

P0868

Test 1-4:




Test 5-8:




Test 9-12:




Test 13-14:





SYMPTOM
P0868-LINE PRESSURE LOW

WHEN MONITORED
Continuously while driving in a forward gear.

SET CONDITION
The TCM continuously monitors transducer Line Pressure Output and compares it to Desired Line Pressure. If transducer Line Pressure Output is more than 10 PSI below Desired Line Pressure, the DTC will set in approximately 2.1 seconds.

POSSIBLE CAUSES
- CHECK FOR RELATED DTC'S
- 5 VOLT SUPPLY CIRCUIT OPEN
- LINE PRESSURE SENSOR CONNECTION
- 5 VOLT SUPPLY CIRCUIT SHORT TO GROUND
- 5 VOLT SUPPLY CIRCUIT SHORT TO VOLTAGE
- PRESSURE CONTROL SOLENOID CONTROL CIRCUIT SHORT TO VOLTAGE
- INTERNAL TRANSMISSION
- LINE PRESSURE SENSOR
- PLUGGED FILTER
- TRANSMISSION CONTROL MODULE
- INTERMITTENT WIRING AND CONNECTORS