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 MANUALSJEEP2023COMPASS ALTITUDEREPAIR AND DIAGNOSISTRANSMISSIONTRANSFER CASEDRIVETRAIN CONTROL MODULE (DTCM) - DTCS C221B-64 TO C2400-55
2023 Jeep Compass Altitude
Drivetrain Control Module (DTCM) - DTCS C221B-64 To C2400-55
2023 Jeep Compass AltitudeSECTION Drivetrain Control Module (DTCM) - DTCS C221B-64 To C2400-55
- DTC Troubleshooting
- C221B-64-Implausible Eld Fail Status Signal
- C221D-98-Rear Drive Module Ecu Driver Output Temperature High - Component Or System Temperature
- Notes
- Description And Operation - All Wheel Drive (AWD) System
- General System Architecture
- Component Functional Description-Power Transfer Unit (PTU)
- Component Functional Description-Rear Drive Module (RDM)
- Technical Data - PTU And RDM
- Enabling/Set Conditions And Possible Causes - PTU/RDM Actuator Motor And OVERTEMP Faults
- Diagnostic Overview - AWD System
- Check For An Active Or Intermittent Condition
- Preliminary Diagnostic Checks
- Diagnostic Test - RDM Actuator Motor
- Diagnostic Test - DTCM Voltage Supply And Internal DTCM Faults
- C221E-64-Brake Pedal Switch Fail Status - Signal Plausibility Failure
- C221F-64-Drive Style Status Signal - Signal Plausibility Failure
- C2220-54-Ecu Internal Performance - Missing Calibration
- C2224-64-Engine Speed Signal Not Available
- C2225-64-Engine Status Signal Not Available
- C2226-64-Reverse Gear Status - Signal Plausibility Failure
- C2227-64-Engine Torque - Signal Plausibility Failure
- C2228-64-Implausible Data Received From Pcm
- C2229-64-Gear Not Engaged Signal - Signal Not Available
- C2230-98-Transfer Case Motor - Component Or System Over Temperature
- Notes
- Description And Operation - All Wheel Drive (AWD) System
- General System Architecture
- Component Functional Description-Power Transfer Unit (PTU)
- Component Functional Description-Rear Drive Module (RDM)
- Technical Data - PTU And RDM
- Enabling/Set Conditions And Possible Causes - PTU/RDM Actuator Motor And OVERTEMP Faults
- Diagnostic Overview - AWD System
- Check For An Active Or Intermittent Condition
- Preliminary Diagnostic Checks
- Diagnostic Test - RDM Actuator Motor
- Diagnostic Test - DTCM Voltage Supply And Internal DTCM Faults
- C2240-92-ETM Motor Free Running - Performance Or Incorrect Operation
- Notes
- Description And Operation - All Wheel Drive (AWD) System
- General System Architecture
- Component Functional Description-Power Transfer Unit (PTU)
- Component Functional Description-Rear Drive Module (RDM)
- Technical Data - PTU And RDM
- Enabling/Set Conditions And Possible Causes - PTU/RDM Actuator Motor And OVERTEMP Faults
- Diagnostic Overview - AWD System
- Check For An Active Or Intermittent Condition
- Preliminary Diagnostic Checks
- Diagnostic Test - RDM Actuator Motor
- DTCM Verification Test
- C2250-78-Invalid Backlash Coupling - Alignment Or Adjustment Incorrect
- Notes
- Description And Operation - All Wheel Drive (AWD) System
- General System Architecture
- Component Functional Description-Power Transfer Unit (PTU)
- Component Functional Description-Rear Drive Module (RDM)
- Technical Data - PTU And RDM
- Enabling/Set Conditions And Possible Causes - PTU/RDM Actuator Motor And OVERTEMP Faults
- Diagnostic Overview - AWD System
- Check For An Active Or Intermittent Condition
- Preliminary Diagnostic Checks
- Diagnostic Test - RDM Actuator Motor
- DTCM Verification Test
- C2260-63-Ecu Internal Performance - Circuit Component Protection Time-Out
- C2270-77-Power Transfer Unit PTU Electronic Disconnect Actuator EDA Sensor - Commanded Position Not Reachable
- Notes
- Description And Operation - All Wheel Drive (AWD) System
- General System Architecture
- Component Functional Description-Power Transfer Unit (PTU)
- Component Functional Description-Rear Drive Module (RDM)
- Technical Data - PTU And RDM
- Enabling/Set Conditions And Possible Causes - PTU/RDM Actuator Motor And OVERTEMP Faults
- Diagnostic Overview - AWD System
- Check For An Active Or Intermittent Condition
- Preliminary Diagnostic Checks
- Diagnostic Test - PTU Actuator Motor
- DTCM Verification Test
- C2280-92-EDA Current - Performance Or Incorrect Operation
- Notes
- Description And Operation - All Wheel Drive (AWD) System
- General System Architecture
- Component Functional Description-Power Transfer Unit (PTU)
- Component Functional Description-Rear Drive Module (RDM)
- Technical Data - PTU And RDM
- Enabling/Set Conditions And Possible Causes - PTU/RDM Actuator Motor And OVERTEMP Faults
- Diagnostic Overview - AWD System
- Check For An Active Or Intermittent Condition
- Preliminary Diagnostic Checks
- Diagnostic Test - RDM Actuator Motor
- DTCM Verification Test
- C2290-92-EDA Motor Free Running - Performance Or Incorrect Operation
- Notes
- Description And Operation - All Wheel Drive (AWD) System
- General System Architecture
- Component Functional Description-Power Transfer Unit (PTU)
- Component Functional Description-Rear Drive Module (RDM)
- Technical Data - PTU And RDM
- Enabling/Set Conditions And Possible Causes - PTU/RDM Actuator Motor And OVERTEMP Faults
- Diagnostic Overview - AWD System
- Check For An Active Or Intermittent Condition
- Preliminary Diagnostic Checks
- Diagnostic Test - PTU Actuator Motor
- DTCM Verification Test
- C2300-00-RDM Classification Not Valid - No Subtype Information
- Notes
- Description And Operation - All Wheel Drive (AWD) System
- General System Architecture
- Component Functional Description-Power Transfer Unit (PTU)
- Component Functional Description-Rear Drive Module (RDM)
- Technical Data - PTU And RDM
- Enabling/Set Conditions And Possible Causes - PTU/RDM Actuator Motor And OVERTEMP Faults
- Diagnostic Overview - AWD System
- Check For An Active Or Intermittent Condition
- Preliminary Diagnostic Checks
- Diagnostic Test - RDM Actuator Motor
- DTCM Verification Test
- C2400-55-PROXI Configuration - Not Configured Or Proxy Data Contains Values Invalid Or Not Correct
- Notes
- Description And Operation - All Wheel Drive (AWD) System
- General System Architecture
- Component Functional Description-Power Transfer Unit (PTU)
- Component Functional Description-Rear Drive Module (RDM)
- Technical Data - PTU And RDM
- Enabling/Set Conditions And Possible Causes - DTCM Voltage Supply And Internal Ecu Faults
- Diagnostic Overview - AWD System
- Check For An Active Or Intermittent Condition
- Preliminary Diagnostic Checks
- Diagnostic Test - DTCM Voltage Supply And Internal DTCM Faults
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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.