Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJEEP2007GRAND CHEROKEE LIMITED, 3.0 M, 4WDREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSDTCS U0168 TO U0241, DTCS 11 TO 32
2007 Jeep Grand Cherokee Limited, 3.0 M, 4WD
DTCS U0168 To U0241, DTCS 11 To 32
2007 Jeep Grand Cherokee Limited, 3.0 M, 4WDSECTION DTCS U0168 To U0241, DTCS 11 To 32
- U0168-Lost Com With Vehicle Security Control Module (SKREEM/WCM) (ATC)
- U0169-Lost Communication With Sunroof Control Module (ATC)
- U0184-Lost Communication With Radio (ATC)
- U0186-Lost Communication With Audio Amplifier (ATC)
- U0195-Lost Communication With SDARS (ATC)
- U0196-Lost Communication With Vehicle Entertainment Control Module (ATC)
- U0197-Lost Communication With Hands Free Phone Module (ATC)
- U0199-Lost Communication With Driver Door Module (ATC)
- U0200-Lost Communication With Passenger Door Module (ATC)
- U0208-Lost Communication With Heated Seat Control Module (ATC)
- U0209-Lost Communication With Memory Seat Control Module (ATC)
- U0212-Lost Communication With SCCM - Can-B (ATC)
- U0231-Lost Communication With Rain Sensing Module (ATC)
- U0241-Lost Communication With Auto HIGHBEAM Headlamp Control Module (ATC)
- 11-Mode Pot Open (MTC)
- 12-Mode Pot Shorted (MTC)
- 13-Temp Pot Open (MTC)
- 14-Temp Pot Shorted (MTC)
- 18-Blend Door Range Too Small (MTC)
- 21-Blend Door Range Too Large (MTC)
- 22-Front Mode Door Range Too Small (MTC)
- 23-Front Mode Door Range Too Large (MTC)
- 24-Rear Mode Door Range Too Small (MTC)
- 25-Rear Mode Door Range Too Large (MTC)
- 31-Evaporator Sensor Open (MTC)
- 32-Evaporator Sensor Shorted (MTC)
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.