Any ideas to sort this?
The WH started stopping at idle 3 months ago, then sometimes after it stopped really hard to start but allways started until I changed the fuel filter.
I thought fuel line leak, so changed the fuel lines and fuel filter that involved taking the turbo outlet pipe out and air intake out.
Broke the the little fuel return line in the process ...found a replacement.
Put the Jeep back together and would not start ..error code B212D ignition circuit open, after 4 hours checking fuses double checking everything I have done Then
I unplugged the fuel filter sensor and plugging back in ...away it went.
Still playing up a bit stopping when cold, idle is 600RPM.
Just came back home towing caravan go to reverse the caravan and the thing will not start.
Left it 2 hours and it started
Retrieved DTC must be 30 plus DTC all relating lost communication with all the modules.
One real DTC B212D ignition run only input circuit open, Cleared all codes.
Now my thinking is I have a intermittent fault to do with the B212D ignition open circuit and jeep will not start when that code is active....is this thinking right?
Has anyone any clues how to fix this as its becoming obvious the Jeep could stop anywhere and refuse to start.
Last edited by hotqld; 25-07-2017 at 06:28 PM.
Reason: details
No wh expert but sounds battery/alternator related? Check all your battery cable connections, battery, starter motor alternator and earth. What are the voltages cold vs runing? Is it not to turning over, trying to turn over, not trying at all?
The Run Relay is part of the circuit referred to by fault code B212D
So there very well could be a relationship
Page 2513 of the manual
We can start by Replacing Fuses (unlikely)
Check Run Relay operation, or swap for a known good one (possible)
Check Ignition Switch operation (maybe)
Then checking for intermittent wiring issues in this circuit
e.g. frayed wires, loose plugs
Cheers
__________________
Life's Too Short To Drive A Toyota
The DTC has gone now, which makes it hard to trouble shoot.
This might be related
When cold at idle the engine keeps stopping, idle speed 600 RPM.
Also happens less often when engine is hot, manually keeping revs at 800 keeps the WH CRD running.
Have changed fuel filter and fuel lines, new battery 3-6 months ago. ...I wonder if I install a clear line after the fuel filter and look for air bubble? Or I have read change the crankshaft sensor? Or just get down the road to a diesel pump injector specialist?
Runs fine in all other respects.
This has been going on for 3 months gradually getting worse
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Wont start
Jeep With No Name
