P1373

DTC P1373
Early ignition coil activation, coil 3, cylinders 4-7 (Driving Cycle A)

Possible causes by suggested order of priority:
- Satellite fusebox 1 Fuse F3.
- Connectors C1033, C1002.
- Circuit integrity Satellite fusebox 1 F3 (WG) - C1002/5 (WG).
- Circuit integrity C1033/15 (WY) - C1002/2 (WY).
- Ignition coil.
- ECM.

Satellite fusebox 1 Fuse F3.
- Check for fuse not correctly inserted, fuse blown, fuse connections loose, damaged or corroded.
- Certain diagnostics may also perform further checks to try and narrow down the fault. Eg Check if other circuits fed by the same fuse are also experiencing problems

Connectors C1033, C1002.
- Check for connector not correctly latched, backed out pins, damaged pins, corroded pins

Circuit integrity Satellite fusebox 1 F3 (WG) - C1002/5 (WG).
- Check for open circuit, short circuit to ground, supply or other circuit, damaged or unlatched connector, intermediate connectors or headers

Circuit integrity C1033/15 (WY) - C1002/2 (WY).
- Check for open circuit, short circuit to ground, supply or other circuit, damaged or unlatched connector, intermediate connectors or headers

Ignition coil.
- No detail available for this fault

ECM.
- No detail available for this fault