OBD-II code · Powertrain (generic)
P0357 Ignition Coil "G" Primary/Secondary Circuit
An electrical fault is detected in both the primary and the secondary circuit of ignition coil G. The ECU cannot drive the coil correctly, so the cylinder served by coil G misfires or does not fire at all. Causes: an open or shorted primary control wire, an internal coil winding fault, a failed igniter/driver, or wiring or connector damage at the coil.
Is it safe to drive with P0357?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyIgnition coil failed
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1.5 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Ignition Coil, Coil Wiring
Related codes
- P0351Ignition Coil "A" Primary/Secondary Circuit Malfunction (Cylinder 1)
- P0355Ignition Coil "E" Primary/Secondary Circuit
- P0356Ignition Coil "F" Primary/Secondary Circuit
- P0358Ignition Coil "H" Primary/Secondary Circuit
- P0354Ignition Coil "D" Primary/Secondary Circuit Malfunction (Cylinder 4)
- P0359Ignition Coil I Primary Control Circuit/Open
- P035AIgnition E Control Signal Circuit/Open
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.