Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC P0355: Ignition Coil #5 Primary Circuit: Description
Ignition coil primary circuit is monitored with battery voltage more than 8 volts during engine cranking or more than 12 volts with engine running at less than 2016 RPM, and no coils in dwell when checked. DTC will set in Powertrain Control Module (PCM) memory when PCM senses peak current is not achieved with battery based dwell plus 1.5 milliseconds of diagnostic offset. DTC P0355 takes less than 3 seconds to set with engine cranking, or up to 6 seconds with engine running. Possible causes for DTC to set are: defective ignition coil No. 5, defective PCM, defective connectors or defective wiring.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.