Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer communications
3Original wording in English
JAGUAR
After the Gateway Module (GWM) is updated with the latest software (J9C3-14F642-AF), the Instrument Cluster (IPC) may display various errors in for the charging system. The charging system will become inoperative potentially causing the battery to become discharged and DTCs B12CD-87 or B11DB-87 may be logged within the GWM. This…
JAGUAR
"ISSUE: CUSTOMERS MAY REPORT WHILST PRESSING THE AUTO STOP/START BUTTON IN THEIR VEHICLE, A WARNING MESSAGE MAY BE DISPLAYED IN THE INSTRUMENT CLUSTER - AUTO STOP/START NOT AVAILABLE. DTC B12CD-87 WILL BE LOGGED IN THE GATEWAY MODULE GWM). CAUSE: THE IGNITION LIVE INPUT INTO THE VOLTAGE QUALITY MODULE (VQM), MAY HAVE A POOR CONN…
JAGUAR
"ISSUE: CUSTOMERS MAY REPORT WHILST PRESSING THE AUTO STOP/START BUTTON IN THEIR VEHICLE, A WARNING MESSAGE MAY BE DISPLAYED IN THE INSTRUMENT CLUSTER - AUTO STOP/START NOT AVAILABLE. DTC B12CD-87 WILL BE LOGGED IN THE GATEWAY MODULE GWM). CAUSE: THE IGNITION LIVE INPUT INTO THE VEHICLE QUALITY MODULE (VQM), MAY HAVE A POOR CONN…
Check vehicle applicability
12A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.