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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 83 (Data Communication System - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> Scan Tool Does Not Communicate with Low Speed GMLAN Device >> Diagnostic Fault Information

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
Low Speed GMLAN Serial Data 1 U0100-U02FF* 1 -
* 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.
1. No communication with any low speed GMLAN device
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