Land Rover Jaguar B13c2-49 -

On Jaguar F-Type convertibles and certain Land Rovers with sunroof drains, water can track down the A-pillar and drip directly onto the TSM connector. Corrosion on the pins causes internal resistance, which the module reads as a hardware fault.

Model code: B13C2-49
This report examines the B13C2-49 variant used across Land Rover and Jaguar engineering/program contexts (assumed to be a vehicle platform or component code). I assume the code refers to a chassis/engine/control module or platform variant shared between marques; if you meant a different item, tell me and I’ll adapt.

The string B13C2-49 resembles: