P1261
Cylinder #1 High To Low Side Short
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Unstable engine operation
- Misfire in cylinder 1
- Power Loss
- Increased fuel consumption
- Check engine light is on
Causes
- Damage to the wiring in the ignition circuit
- Ignition coil malfunction
- Problems with the engine control unit
- Short circuit in wiring harness
- Spark plug fault
How to Fix
- Check the integrity of the wiring in the ignition circuit
- Test the ignition coil of cylinder 1
- Check the functionality of the spark plug
- Diagnose the engine control unit
- Replace damaged components