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 MANUALSJEEP2009COMPASS LIMITED, ED3, FWD, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESDTCS P128C TO U1105 (TIPM)
2009 Jeep Compass Limited, ED3, FWD, Standard
DTCS P128C To U1105 (TIPM)
2009 Jeep Compass Limited, ED3, FWD, StandardSECTION DTCS P128C To U1105 (TIPM)
- P128C-TCM Power Control Circuit 2 High
- P128D-TCM Power Control Circuit 2 Open
- P128E-TCM Power Control Circuit 2 OVERCURRENT
- U0001-Can C Bus Circuit
- U0019-Can B Bus
- U0021-Can B Bus (+) Circuit Open
- U0022-Can B Bus (+) Circuit Low
- U0023-Can B Bus (+) Circuit High
- U0024-Can B Bus (-) Circuit Open
- U0025-Can B Bus (-) Circuit Low
- U0026-Can B Bus (-) Circuit High
- U0027-Can B Bus (-) Shorted To Bus (+)
- U0100-Lost Communication With ECM/Pcm
- U0101-Lost Communication With TCM
- U0114-Lost Communication With Final Drive Control Module (All Wheel Drive Control Module) (AWD)
- U0121-Lost Communication With Antilock Brake Module
- U0141-Lost Communication With Front Control Module (TIPM - Totally Integrated Power Module)
- U0151-Lost Communication With Occupant Restraint Controller (Orc)
- U0155-Lost Communication With Cluster/CCN
- U0167-Lost Communication With Intrusion Transceiver Control Module (ITM)
- U0168-Lost Communication With Vehicle Security Control Module (WCM)
- U0184-Lost Communication With Radio
- U0186-Lost Communication With Audio Amplifier (Amp)
- U0193-Lost Communication With Traffic Information Receiver Module
- U0197-Lost Communication With Hands Free Phone Module (HFM)
- U1105-Can B Signal Missing
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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.