Question about 2000 GMC Jimmy
If vehicle has been submerged, PCM is likely dead. If vehicle has been struck by lightning, PCM could be locked up or dead. Assuming none of these has happened:
Check power to PCM, not just fuses. You can check through the backside of the connectors ON the PCM.
Check connectors on PCM.
Check ground to PCM.
Make sure you've had no rodent activity on vehicle wiring.
Reset PCM by disconnecting battery (+) lead, waiting 15 seconds, then grounding battery (+) to battery (-) lead. Reconnect battery (+) lead to battery. All user memory sets such as radio and seat settings will be lost.
With no output from PCM, after resetting, the highest probability is dead PCM. It's rare, but it happens.
Posted on Nov 11, 2014
Check the pcm battery fuse.
Posted on Nov 10, 2014
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Posted on Jan 02, 2017
Yes. First, in the fuse block under the hood check INJ A fuse and INJ B fuse. INJ A fuse is circuit 1039 which feeds the coil. If the fuse is OK, replace the coil electrical connector. I stock 2 of these at my dealership because they are needed quite often.
FYI P1351 is an ignition coil control circuit DTC.
Posted on Sep 01, 2009
SOURCE: 2000 GMC Jimmy
Check your fuel regulator on also check your injectors - if you have a CSFI injection system you may want to replace it with a MFI upgrade kit. Trust me. - CSFI sucks
Posted on Feb 13, 2010
SOURCE: no spark
Inside the distributor cap under the rotor is the camshaft sensor with a 4-wire plug. You have to bump the engine over with until a notch in the mount for the rotor lines up with the sensor. Just two bolts retain in, T20 Torx I believe.
Posted on Mar 19, 2013
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