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 110FACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code Index DTC: Instrument Panel Cluster (IPC) Control Module -- Defender/L663
- Diagnostic Trouble Code Index - DTC: Instrument Panel Cluster (IPC) Control Module (G2400899)
- Description And Operation
- Instrument Panel Cluster (IPC) Control Module
- Notes
- DTC B1009-51: Ignition Authorization - Not programed
- DTC B1009-87: Ignition Authorization - Missing message
- DTC B100D-64: Column Lock Authorization - Signal plausibility failure
- DTC B1026-12: Steering Column Lock - Circuit short to battery
- DTC B1026-63: Steering Column Lock - Circuit/component protection time-out
- DTC B108E-04: Display - System internal failures
- DTC B108E-46: Display - Calibration/parameter memory failure
- DTC B10B7-86: Rear Air Discharge Temperature - Signal invalid
- DTC B1A14-96: RCM Warning Lamp - Component internal failure
- DTC B1A85-96: Ambient Light Sensor - Component internal failure
- DTC P0460-11: Fuel Level Sensor A Circuit - Circuit short to ground
- DTC P0460-15: Fuel Level Sensor A Circuit - Circuit short to battery or open
- DTC P1346-11: Fuel Level Sensor B Circuit - Circuit short to ground
- DTC P1346-15: Fuel Level Sensor B Circuit - Circuit short to battery or open
- DTC U0055-87: Vehicle Communication Bus D - Missing message
- DTC U0055-88: Vehicle Communication Bus D - Bus off
- DTC U0400-82: Invalid Data Received - Alive/Sequence counter incorrect/not updated
- DTC U2013-02: Switch Pack - General signal failure
- DTC U2300-56: Central Configuration - Invalid/Incompatible configuration
- DTC U2300-64: Central Configuration - Signal plausibility failure
- DTC U3000-46: Control Module - Calibration/parameter memory failure
- DTC U3000-49: Control Module - Internal electronic failure
- DTC U3000-55: Control Module - Not configured
- DTC U3002-81: Vehicle Identification Number - Invalid serial data received
- DTC U3003-16: Battery Voltage - Circuit voltage below threshold
- DTC U3003-17: Battery Voltage - Circuit voltage above threshold
- DTC U3003-62: Battery Voltage - Signal compare failure
- Instrument Panel Cluster (IPC) Control Module
- Description And Operation
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.