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.
2013 Chrysler 300 SRT-8 CoreFACTORY OEM SERVICE PROCEDURE
Module, Hands Free (HFM)
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B143A-13 | MICROPHONE 1 - CIRCUIT OPEN |
| B143A-92 | MICROPHONE 1 - PERFORMANCE OR INCORRECT OPERATION |
| B143D | 13 MICROPHONE 2 - CIRCUIT OPEN |
| B143D | 92 MICROPHONE 2 - PERFORMANCE OR INCORRECT OPERATION |
| B155C-11 | MICROPHONE 1 CIRCUIT (+) - CIRCUIT SHORT TO GROUND |
| B155C-12 | MICROPHONE 1 CIRCUIT (+) - CIRCUIT SHORT TO BATTERY |
| B155D-11 | MICROPHONE 1 CIRCUIT (-) - CIRCUIT SHORT TO GROUND |
| B155D-12 | MICROPHONE 1 CIRCUIT (-) - CIRCUIT SHORT TO BATTERY |
| B155E-11 | MICROPHONE 2 CIRCUIT (+) - CIRCUIT SHORT TO GROUND |
| B155E-12 | MICROPHONE 2 CIRCUIT (+) - CIRCUIT SHORT TO BATTERY |
| B155F-11 | MICROPHONE 2 CIRCUIT (-) - CIRCUIT SHORT TO GROUND |
| B155F-12 | MICROPHONE 2 CIRCUIT (-) - CIRCUIT SHORT TO BATTERY |
| B2199-16 | BATTERY VOLTAGE - CIRCUIT VOLTAGE BELOW THRESHOLD |
| B2199-17 | BATTERY VOLTAGE - CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B2223-00 | (HFM) HANDS FREE PHONE INTERNAL |
| U0147-00 | LOST COMMUNICATION WITH TELEMATICS GATEWAY |
| U0186-00 | LOST COMMUNICATION WITH AUDIO AMPLIFIER |
| U103A | 00 CAN-AT (AUDIO AND TELEMATICS) BUS |
| U103A | 92 CAN AT (AUDIO AND TELEMATICS) BUS PERFORMANCE OR INCORRECT OPERATION |
| U11B8 | 00 LOST COMMUNICATION WITH INTEGRATED CENTER STACK (ICS) |
Factory Service Tools
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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.