P2301

Ignition Coil A Primary Control Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Misfire in one or more cylinders
Unstable engine operation
Power Loss
Increased fuel consumption
Check Engine Light Is On

Causes

Short circuit to power in the coil control circuit
Faulty ignition coil
Wiring harness damage
Problems with contacts in electrical connections
Engine control unit (ECU) malfunction

How to Fix

Check the integrity of the ignition coil wiring harness
Check connections and contacts in the control circuit
Check the ignition coil for short circuit
If necessary, replace the ignition coil
Check the output signals of the engine control unit

Related codes

P2300 P2302 P0351