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 MANUALSDODGE AND RAM2023CHALLENGER SXT, 4WDREPAIR AND DIAGNOSISTRANSMISSIONTRANSFER CASE(DRIVETRAIN CONTROL MODULE (DTCM) - ELECTRICAL DIAGNOSTICS)
2023 Dodge and Ram Challenger SXT, 4WD
(Drivetrain Control Module (DTCM) - Electrical Diagnostics)
2023 Dodge and Ram Challenger SXT, 4WDSECTION (Drivetrain Control Module (DTCM) - Electrical Diagnostics)
- Diagnostic Code Index
- DTC Troubleshooting
- C1078-Tire-Revolutions-Range-Performance
- C140A-Transfer Case Motor - Performance
- C1456-AWD-Clutch-Power-Control-Circuit-Lo
- C1457-AWD-Clutch-Power-Control-Circuit-Hi
- C145D-AWD-Clutch-Power-Return-Control-CIRUIT Open
- C1464-Front Axle Disconnect Control Circuit Low
- C1465-Front Axle Disconnect Control Circuit High
- C1477-Transfer-Case-Clutch-Over-Temperature
- C1479-Transfer Case Temperature Sensor Low
- C147A-Transfer Case Temperature Sensor - High
- C147B-Front Axle Disconnect Sensor Circuit Performance
- C147C-Front Axle Disconnect Power Circuit - Low
- C1480-Transfer Case Range Digital Position Sensor - Performance
- C2100-Battery-Voltage-Low
- C2101-Battery Voltage-High
- C2111-Sensor Supply 1 Voltage Circuit - Low
- C2112-Sensor Supply 1 Voltage Circuit-High
- C2201-FDCM-DTCM-Internal
- U0001-00-Can C Bus
- U0100-00-Lost Communication With ECM/Pcm
- U0101-00-Lost Communication With TCM
- U0121-00-Lost Communication With Anti-Lock Brake System-Abs Control Module
- U0140-Lost Communication With Body Control Module
- U0141-Lost Communication With IPM (BCM)
- U0212-Lost Communication With SCM
- U0401-Implausible Data Received From ECM/Pcm
- U0402-Implausible Data Received From TCM
- U0415-Implausible Data Received From Abs
- U0422-Implausible Data Received From Body Control Module
- U0429-Implausible Data Received From Steering Control Module
- Standard Procedure
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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.