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Diagnostic Fault Information

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
High Speed GMLAN Serial Data (+) 1 U0100 - U02FF* 1 -
High Speed GMLAN Serial Data (-) 1 U0100 - U02FF* 1 -
* No communications with one or more high speed GMLAN devices. An open in only one high speed GMLAN serial data circuit may allow degraded communication between the devices. An open between the X84 Data Link Connector (DLC) and the K56 Serial Data Gateway Module will only affect the communication with the scan tool. The devices will still communicate.
1. No communication with any high speed GMLAN device
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