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.
2021 Jeep Grand Cherokee TrackhawkFACTORY OEM SERVICE PROCEDURE
Module, External Disc
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B1423-00 | VES DVD READ ERROR/INOPERABLE DISC |
| B1424-00 | IMPROPER DVD - WRONG REGION |
| B142B-00 | VES UNIT HIGH TEMPERATURE |
| B1441-00 | VES EJECT INPUT BUTTON STUCK |
| B14DF-00 | DVD PLAYER REGION CONFIGURATION MISMATCH |
| B156D-02 | LOW VOLTAGE DIFFERENTIAL SIGNAL LVDS VIDEO CABLE-GENERAL SIGNAL FAILURE |
| B210A-00 | SYSTEM VOLTAGE LOW |
| B210B-00 | SYSTEM VOLTAGE HIGH |
| B210D-00 | BATTERY VOLTAGE LOW |
| B210E-00 | BATTERY VOLTAGE HIGH |
| B222B-00 | VEHICLE ENTERTAINMENT SYSTEM INTERNAL |
| B222C-00 | VEHICLE CONFIGURATION NOT PROGRAMMED |
| U0010-00 | CAN INTERIOR BUS |
| U0011-00 | CAN INTERIOR BUS OFF PERFORMANCE |
| U0013-00 | CAN INTERIOR BUS (+) CIRCUIT LOW |
| U0014-00 | CAN INTERIOR BUS (+) CIRCUIT HIGH |
| U0016-00 | CAN INTERIOR BUS (-) CIRCUIT LOW |
| U0017-00 | CAN INTERIOR BUS (-) CIRCUIT HIGH |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0141-00 | LOST COMMUNICATION WITH IPM/FCM/TIPM |
| U0155-00 | LOST COMMUNICATION WITH CLUSTER/CCN |
| U0184-00 | LOST COMMUNICATION WITH RADIO |
| U0196-00 | LOST COMMUNICATION WITH VEHICLE ENTERTAINMENT CONTROL MODULE REAR 1 |
| U0249-00 | LOST COMMUNICATION WITH VEHICLE ENTERTAINMENT CONTROL MODULE REAR 2 |
| U11BB-00 | LOST COMMUNICATION WITH VIDEO ROUTING MODULE |
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.
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