2014 - 2015 Corvette: Service Bulletin: #PIP5159B: Engine Misfire May Be Due To loose Spark Plug Wires


#PIP5159B: Engine Misfire May Be Due To loose Spark Plug Wires - (Sep 23, 2016)

Subject Engine Misfire May Be Due To loose Spark Plug Wires
Models 2015-2017 Cadillac Escalade
2016-2017 Cadillac CTS-V
2016-2017 Chevrolet Camaro
2014- 2015 Chevrolet Corvette
2014-2015 Chevrolet Silverado 1500 Suburban, Tahoe
2014-2015 GMC Sierra 1500 Yukon
Built with RPO's 4.3L 5.3L 6.2L L83 L86 LT1 LV3

This PI was superseded to update Model Years. Please discard PIP5159A.


The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Condition/Concern

SES lamp on, DTC P0300 - P0308 may set, inspect for a possible loose spark plug wire at the ignition coil.  

Recommendation/Instructions

If a loose sparkplug wire is found, inspect for missing “C” clip on wire end that connects to the ignition coil.

Replace the sparkplug wire if you find the “C” clip missing or damaged

If this concern is not found reconnect the sparkplug wire to the ignition coil.

2014 - 2015 Corvette Service Bulletin - #PIP5159B: Engine Misfire May Be Due To loose Spark Plug Wires
  1. Shows a good sparkplug wire.
  2. Shows the wire with the C clip missing.

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Article ID: 1309
Created On: Thu, Sep 29, 2016 at 1:42 PM
Last Updated On: Thu, Sep 29, 2016 at 1:42 PM

Online URL: //www.corvetteactioncenter.com/tech/knowledgebase/article/2014-2015-corvette-service-bulletin-pip5159b-engine-misfire-may-be-due-to-loose-spark-plug-wires-1309.html