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Ignition Coil G?

This is a discussion on Ignition Coil G? within the General Help forums, part of the LSx Technical Help Section category; SES code: P0357 Ignition coil G Primary/secondary circuit malfunction. what do i do?...

  1. #1
    Detailing + Design third_shift|studios's Avatar
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    Ignition Coil G?

    SES code: P0357 Ignition coil G Primary/secondary circuit malfunction.

    what do i do?

  2. #2
    old timer blue02Z's Avatar
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    the primary circuit is the one that supplies your coils with current to build up your spark. the secondary circuit is basically your plug wires and spark plugs. the pcm/icm prolly detected a short or open in one of those circuits, check your connections

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    Moderator Cutlass's Avatar
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    pffff...gotta love generic scan tool trouble code definitions. They're just about worthless. DTC P0357 Ignition Coil 7 Control Circuit is what the DTC stands for. The control circuit at that coil is on terminal C. At the PCM its the red connector, terminal 27. The PCM is detecting the wire is grounded, open or shorted to a voltage.
    Check those connections and wiring.

  4. #4
    Detailing + Design third_shift|studios's Avatar
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    explain "check" and why do you say terminal C and not G? likewise-which is coil is G? driver side? passenger side? 3rd from front? Thanks...sorry!

  5. #5
    Moderator Cutlass's Avatar
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    Forget 'G'. G is some generic scan tool BS. You want to look at cylinder #7 ignition coil/module. And more specifically this dtc relates to one wire for that coil. Its the ignition coil control circuit on terminal C at the coil. Check for a short to ground or power or and open circuit.


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