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.
Front Control/Display Interface Module (FCDIM)
| DTC | Description | Action |
|---|---|---|
| B10BD:11 | Multifunctional Switch: Circuit Short to Ground | GO to PINPOINT TEST T |
| B10BD:13 | Multifunctional Switch: Circuit Open | GO to PINPOINT TEST T |
| B10BD:23 | Multifunctional Switch: Signal Stuck Low | GO to PINPOINT TEST T |
| U0001:88 | High Speed CAN Communication Bus: Bus Off |
NOTE:
The module was unable to communicate on the network at a point in time. The fault is not currently present since the module had to communicate with the diagnostic scan tool to report this DTC
. To avoid repeat network concerns:
|
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | GO to PINPOINT TEST Y |
| U0155:00 | Lost Communication With Instrument Panel Cluster IPC Control Module: No Sub Type Information | GO to PINPOINT TEST Z |
| U0193:00 | Lost Communication With "Digital Audio Control Module A:" No Sub Type Information | GO to PINPOINT TEST AA |
| U0253:00 | Lost Communication With Accessory Protocol Interface Module | GO to PINPOINT TEST AB |
| U0423:68 | Invalid Data Received From Instrument Panel Cluster Control Module: Event Information | RETRIEVE and FOLLOW Diagnostic Trouble Codes (DTCs) present in the IPC
. REFER to: INSTRUMENTATION, MESSAGE CENTER AND WARNING CHIMES . |
| U1A00:00 | Private Communication Network: No Sub Type Information | GO to PINPOINT TEST U |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information |
|
| U2101:00 | Control Module Configuration Incompatible: No Sub Type Information |
|
| U3000:00 | Control Module: No Sub Type Information |
|
| U3006:16 | Control Module Input Power "A:" Circuit Voltage Below Threshold | GO to PINPOINT TEST AF |
| U3006:17 | Control Module Input Power "A:" Circuit Voltage Above Threshold | GO to PINPOINT TEST AG |
Use the Manual With the Right Hardware
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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.
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