| 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This PI was superseded to update Model Years.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.
SES lamp on, DTC P0300 - P0308 may set, inspect for a possible loose spark plug wire at the ignition coil.
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.
Article ID: 27
Created: May 10, 2020
Last Updated: May 10, 2020
Author: Rob
Online URL: https://www.cadillacvnet.com/knowledge-base/article/2016-2017-cadillac-cts-v-service-bulletin-pip5159b-engine-misfire-may-be-due-to-loose-spark-plug-wires-27.html