: Automatically cancels all car calls if the car is nearly empty but has many calls registered.

✅ Verified: Code 9 often appears after battery-backed RAM loses power. Solution: reload default parameters via service tool (see Section 6).

Crucially, a verified manual will reference a (e.g., LCB II SW v3.2, v4.0). Parameters and fault codes change between versions. Always match the manual to the controller’s actual software label (located inside the controller cabinet).