P2319Ignition Coil G Primary Control Circuit High
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Can trigger limp mode
- Needs a drive cycle to confirm a fix
- How the car detects it
- P2319 sets when the coil G control line, belonging to cylinder 7 of a V8 or larger engine, shows a short to voltage. GM's 2019 tables include it for the LT5 Corvette V8 as a Type B code with 50 of 63 failed samples. Ford describes the protective reaction in detail: after a coil-driver fault the injector of that cylinder stays off for 30 s; on six- and eight-cylinder engines as many as two cylinders can be shut off at the same time. After the pause the injector is switched on again, and if the fault returns within about 0.1 s fuel is cut once more. Message 52455 from Ford (2024) on 6.8 and 7.3-litre trucks lists P2319 with the other codes that may point to the wrong cylinder; the real culprit is the cylinder that drops out in the power balance test without a code of its own.
- What you may notice
- Check engine light on
- Cylinder 7 shut off for periods of 30 s (Ford)
- Rough running and loss of power
- Likely causes
- LikelyCoil G control wire shorted to a supply line
- PossibleInternal fault in coil G
- RareCode assigned to the wrong cylinder by PCM software (Ford SSM 52455)
- RareEngine module output stage defective
- Inspection (ITP)
- Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
- Repair
- Medium · Often possible to do yourself.Typical cost: €40 – €400
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.