On Vehicles with a 4.7L or 5.7L V8 engine, the Check Engine Light may illuminate with code P2181 for a cooling system performance fault. Or technicians tell us that updated software for the powertrain control module (PCM) is available to correct this concern.
Check Engine Light Code P2181 For a Cooling System Performance Fault on Jeep Grand Cherokee
Average mileage: 148,573 (118,000–168,672)
Engines affected: 3.7L V6, 5.7L V8 HEMI
8 people reported this problem
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Viewing 1 - 2 of 2 problem details
2008 Jeep Grand Cherokee - 3.7L V6 159,047 mi, Visitor
Wife was driving the car and said all the lights came on and the engine came on with another light she didn't know what it meant. Read the code off the OBDII and the cooling system performance 2181 was issued. How do I go about fixing it?
2007 Jeep Grand Cherokee - 3.7L V6
driving my 2007 jeep Cherokee last night I noticed that it was taken a long time to heat then the eng light came on had it checked code P2181 came up what do I need to do to correct this .