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 MANUALSJEEP2024WAGONEER L CARBIDE, RWDREPAIR AND DIAGNOSISBODY & FRAMETOWING SYSTEMSINTEGRATED TRAILER CONTROL MODULE (ITCM) - DTCS B17B1-11 TO B22A9-00
2024 Jeep Wagoneer L Carbide, RWD
Integrated Trailer Control Module (ITCM) - DTCS B17B1-11 To B22A9-00
2024 Jeep Wagoneer L Carbide, RWDSECTION Integrated Trailer Control Module (ITCM) - DTCS B17B1-11 To B22A9-00
- DTC Troubleshooting
- B17B1-11 Rear Right Trailer Turn Lamp Control - Circuit Short To Ground
- System Operation - Integrated Trailer Control Module System
- Enabling Conditions And Possible Causes
- Diagnostic Overview - Integrated Trailer Control Module (ITCM)
- Circuit Functions
- Check For An Active Or Intermittent Condition
- Diagnostic Test - ITCM Driver Circuit Faults (STG / STB / Open / Connectivity)
- B17B1-12 Rear Right Trailer Turn Lamp Control - Circuit Short To Battery
- System Operation - Integrated Trailer Control Module System
- Enabling Conditions And Possible Causes
- Diagnostic Overview - Integrated Trailer Control Module (ITCM)
- Circuit Functions
- Check For An Active Or Intermittent Condition
- Diagnostic Test - ITCM Driver Circuit Faults (STG / STB / Open / Connectivity)
- B17B1-13 Rear Right Trailer Turn Lamp Control - Circuit Open
- System Operation - Integrated Trailer Control Module System
- Enabling Conditions And Possible Causes
- Diagnostic Overview - Integrated Trailer Control Module (ITCM)
- Circuit Functions
- Check For An Active Or Intermittent Condition
- Diagnostic Test - ITCM Driver Circuit Faults (STG / STB / Open / Connectivity)
- B17C5-11 Trailer Tow Reverse Lamp Control - Circuit Short To Ground
- System Operation - Integrated Trailer Control Module System
- Enabling Conditions And Possible Causes
- Diagnostic Overview - Integrated Trailer Control Module (ITCM)
- Circuit Functions
- Check For An Active Or Intermittent Condition
- Diagnostic Test - ITCM Driver Circuit Faults (STG / STB / Open / Connectivity)
- B17C5-12 Trailer Tow Reverse Lamp Control - Circuit Short To Battery
- System Operation - Integrated Trailer Control Module System
- Enabling Conditions And Possible Causes
- Diagnostic Overview - Integrated Trailer Control Module (ITCM)
- Circuit Functions
- Check For An Active Or Intermittent Condition
- Diagnostic Test - ITCM Driver Circuit Faults (STG / STB / Open / Connectivity)
- B17C5-13 Trailer Tow Reverse Lamp Control - Circuit Open
- System Operation - Integrated Trailer Control Module System
- Enabling Conditions And Possible Causes
- Diagnostic Overview - Integrated Trailer Control Module (ITCM)
- Circuit Functions
- Check For An Active Or Intermittent Condition
- Diagnostic Test - ITCM Driver Circuit Faults (STG / STB / Open / Connectivity)
- B17C9-11 Trailer Tow Rear Fog Lamp Control - Circuit Short To Ground
- System Operation - Integrated Trailer Control Module System
- Enabling Conditions And Possible Causes
- Diagnostic Overview - Integrated Trailer Control Module (ITCM)
- Circuit Functions
- Check For An Active Or Intermittent Condition
- Diagnostic Test - ITCM Driver Circuit Faults (STG / STB / Open / Connectivity)
- B17C9-12 Trailer Tow Rear Fog Lamp Control - Circuit Short To Battery
- System Operation - Integrated Trailer Control Module System
- Enabling Conditions And Possible Causes
- Diagnostic Overview - Integrated Trailer Control Module (ITCM)
- Circuit Functions
- Check For An Active Or Intermittent Condition
- Diagnostic Test - ITCM Driver Circuit Faults (STG / STB / Open / Connectivity)
- B17C9-13 Trailer Tow Rear Fog Lamp Control - Circuit Open
- System Operation - Integrated Trailer Control Module System
- Enabling Conditions And Possible Causes
- Diagnostic Overview - Integrated Trailer Control Module (ITCM)
- Circuit Functions
- Check For An Active Or Intermittent Condition
- Diagnostic Test - ITCM Driver Circuit Faults (STG / STB / Open / Connectivity)
- B2122-00 Ignition Run Control 1 Circuit Low
- B2123-00 Ignition Run Control 1 Circuit High
- B22A9-00 Ecu Internal Performance
- B17B1-11 Rear Right Trailer Turn Lamp Control - Circuit Short To Ground
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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.