CANBUS Questions

[Citroënbender]

I’m still battling with the naughty Pug 307.

Among the faults it throws somewhat at random, is a complete loss of (electric) steering assist. Highly dangerous when you’re entering a small roundabout at 45km/h.

I’m trying to work out if the fault lies in another module as the transmission logs an intermittent fault for loss of CANBUS signal.

If I physically unpick the two bus pins from the steering module connector on the harness and insulate them out of the way, everything else on the bus (eg brakes, dash cluster) should still work pretty much as normal, right? I don’t believe it’s a terminating node. Hence this particular question.

Troubleshooting the steering is a bit difficult because I don’t have a pinout for the connector or access to its parameters. So I want to see if it has an inbuilt limp mode for no CAN data or if it defaults to no assist immediately.