Code Definition

B11D1 (86) — LIN Bus C Signal Invalid

System: Body  |  Type: Manufacturer-Specific  |  Make: Jaguar

About B11D1

B11D1 is a manufacturer-specific body diagnostic trouble code recorded for Jaguar vehicles. It belongs to the B-prefix family of codes, which covers body, interior, airbag, or comfort-electronics faults.

Scanning & clearing: Body (B) codes are often stored in the body control module, airbag module, or climate module. A basic OBD-II tool usually will not read body codes — an enhanced or OEM-level scan tool is typically required.

B11D1 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

This is a Jaguar and Land Rover manufacturer specific body code. Code B11D1 is set when the control module detects an invalid signal on the LIN (Local Interconnect Network) Bus C communication line. LIN Bus C is a low speed serial communication network used to connect body control modules and peripheral devices such as seat modules, mirror modules, and climate control components. Sub code 86 indicates the signal received on this bus is invalid or not within expected parameters. When this code is set the affected peripheral features may operate erratically or stop responding, and related comfor...

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