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 Land Rover Defender 90FACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code Index DTC: Infotainment Compute Control Module (ICCM) -- Defender/L663
- Diagnostic Trouble Code Index - DTC: Infotainment Compute Control Module (ICCM) (G2400897)
- Description And Operation
- Infotainment Compute Control Module
- Notes
- DTC B115E-11: Camera Module - Circuit short to ground
- DTC B115E-12: Camera Module - Circuit short to battery
- DTC B115E-13: Camera Module - Circuit open
- DTC B115E-31: Camera Module - No signal
- DTC B1246-11: GSM (Group System for Mobile) Antenna - Circuit short to ground
- DTC B1246-12: GSM (Group System for Mobile) Antenna - Circuit short to battery
- DTC B1246-13: GSM (Group System for Mobile) Antenna - Circuit open
- DTC B12B8-01: USB Port #2 - General electrical failure
- DTC B14A4-02: APIX Display Link - Instrument Pack - General signal failure
- DTC B14A4-13: APIX Display Link - Instrument Pack - Circuit open
- DTC B14AD-02: Front Display Screen - General signal failure
- DTC B14AD-13: Front Display Screen - Circuit open
- DTC B14B4-11: Bluetooth® Antenna #1 - Circuit short to ground
- DTC B14B4-12: Bluetooth® Antenna #1 - Circuit short to battery
- DTC B14B4-13: Bluetooth® Antenna #1 - Circuit open
- DTC B14B5-11: WiFi Antenna #1 - Circuit short to ground
- DTC B14B5-12: WiFi Antenna #1 - Circuit short to battery
- DTC B14B5-13: WiFi Antenna #1 - Circuit open
- DTC B14B6-01: USB Port #1 - General electrical failure
- DTC B14B6-93: USB Port #1 - No operation
- DTC B14D9-11: Dedicated Short Range Communication (DSRC) Antenna - Circuit short to ground
- DTC B14D9-13: Dedicated Short Range Communication (DSRC) Antenna - Circuit open
- DTC B14DA-11: Vehicle Information and Communication System (VICS) Antenna - Circuit short to ground
- DTC B14DA-13: Vehicle Information and Communication System (VICS) Antenna - Circuit open
- DTC B14DC-93: Electronic Toll Collection Module - No operation
- DTC B19FB-11: GSM (Group System for Mobile) Antenna #2 - Circuit short to ground
- DTC B19FB-12: GSM (Group System for Mobile) Antenna #2- Circuit short to battery
- DTC B19FB-13: GSM (Group System for Mobile) Antenna #2 - Circuit open
- DTC B1A89-11: Satellite Antenna - Circuit short to ground
- DTC B1A89-15: Satellite Antenna - Circuit short to battery or open
- DTC U3000-04: Control Module - System Internal Failure
- Infotainment Compute Control Module
- Description And Operation
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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