DTC P0351: Ignition Coil A Primary/Secondary Circuit Malfunction

WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

P0351 - IGNITION COIL A PRIMARY/SECONDARY CIRCUIT MALFUNCTION

Description:	Each ignition primary circuit is continuously monitored. The test fails when the PCM does not receive a valid IDM pulse signal from the ignition module (integrated in the PCM).
Possible Causes:	Open or short in the Ignition START/RUN circuit. Open coil driver circuit in the harness. Coil driver circuit shorted to ground. Damaged coil. Coil driver circuit shorted to PWR.
Diagnostic Aids:	When checking functionality of the coil driver circuit, crank the engine using the engine cranking diagnostic mode. Refer to DIAGNOSTIC MODES .
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	-	GO to Pinpoint Test JF .	GO to Pinpoint Test JF .