Network
generic or reserved
U3010
Ignition Input Start
Fault on the ignition START input — module does not see start request when cranking, or sees one when not cranking.
SystemNetwork
Typegeneric or reserved
GroupU3
Range / number– / 10
Possible causes
- Start position contacts worn high
- Gateway module routing CAN messages incorrectly low
- CAN terminating resistor (120 Ω) drifted out of spec low
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 40–400 €
- Estimated time: 0.5–2 h
- Component: ignition input
- Component: wiring
- MIL / check engine light
Sources
References
sae:J2012