What does code P0352 mean on a Chevrolet and is it safe to drive?
P0352: Ignition Coil B Primary/Secondary Circuit Malfunction. Here's what it means on your Chevrolet, what usually causes it, what repairs typically cost, and how safe it is to keep driving.
What this code means
The PCM detected a fault in the primary or secondary circuit of ignition coil B (cylinder 2 coil). Causes, symptoms, and fixes are the same as P0351 but affect cylinder 2.
Common causes for your Chevrolet
- Failed ignition coil on cylinder 2
- Fouled or worn spark plug on cylinder 2
- Damaged coil wiring or connector
- Faulty PCM driver circuit
Symptoms
- Check Engine Light on or flashing
- Rough idle / misfire on cylinder 2
- Reduced power and fuel economy
Typical fixes
- Replace ignition coil for cylinder 2
- Replace spark plug on cylinder 2
- Inspect coil wiring harness
Repair cost range
For a Chevrolet, repairs for P0352 often fall between $80 and $300, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.
Known issues on Chevrolet
GM P0352 on LS V8 engines targets cylinder 2 (passenger front). Swap the coil to another cylinder to confirm—if the misfire follows the coil, replace it. LS coils are inexpensive; replace in pairs at high mileage.
Most commonly affected models