U3031

Ignition Output Off

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$17–89 (est.)

Symptoms

Engine won't start
Unstable engine operation
Power Loss
Misfires
Check Engine light comes on

Causes

Ignition module malfunction
Open or short circuit in the ignition circuit
Problems with power supply to the ignition module
Malfunction of the crankshaft position sensor
ECU problems

How to Fix

Check the integrity of the ignition circuit
Check the power supply to the ignition module
Check the operation of the crankshaft position sensor
Check and, if necessary, replace the ignition module
Check ECU for errors

Related codes

U3000 U3001 U3003