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 RAM20151500 SPECIAL SERVICEREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICES(DRIVETRAIN CONTROL MODULE (DTCM) - ELECTRICAL DIAGNOSTICS - 1500)
2015 Dodge and Ram 1500 Special Service
(Drivetrain Control Module (DTCM) - Electrical Diagnostics - 1500)
2015 Dodge and Ram 1500 Special ServiceSECTION (Drivetrain Control Module (DTCM) - Electrical Diagnostics - 1500)
- Diagnostic Code Index
- Diagnosis And Testing
- C1078-Tire Revolutions Range Performance
- C1404-Transfer Case Range Position Sensor Circuit Low
- C1405-Transfer Case Range Position Sensor Circuit High
- C1407-Transfer Case Brake Control Circuit Low
- C1408-Transfer Case Brake Control Circuit High
- C140A-Transfer Case Motor Performance
- C140D-Transfer Case Motor Control Circuit Open
- C140E-Transfer Case Motor Blocked
- C1415-Transfer Case Motor Current Performance
- C1444-Transfer Case Motor Overuse
- C1456-AWD Clutch Power Control Circuit Low
- C1457-AWD Clutch Power Control Circuit High
- C145D-AWD Clutch Power /Return Control Circuit Open
- C1464-Front Axle Disconnect Control Circuit Low
- C1465-Front Axle Disconnect Control Circuit High
- C1472-Transfer Case Clutch Control Circuit Performance
- C1477-Transfer Case Clutch Over Temperature
- C147B-Front Axle Disconnect Sensor Circuit Performance
- C147C-Front Axle Disconnect Power Circuit Low
- C147D-Front Axle Disconnect Power Supply Circuit High
- 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-Can C Bus
- U0100-Lost Communication With ECM/Pcm
- U0101-Lost Communication With TCM
- U0121-Lost Communication With Anti-Lock Brake Module
- U0140-Lost COMMINICATION With Body Control Module
- 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 SCM (SAS)
- Standard Procedure
RENDER: 1.0x
NO RELATED
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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.