LEMON Manuals: Even more car manuals for everyone
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 >> DTC U1879 >> 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
B+ U1879* U1879 - -
Ignition U1879* U1879* - -
Accessory WakeUp Serial Data 2 P24EF, P24F0, P24F1, U1879* U1879* - -
High Speed GMLAN Serial Data (+) U0073* U0073, U1879* U0073* -
High Speed GMLAN Serial Data (-) U0073* U0073, U1879* U0073* -
Powertrain High Speed GMLAN Serial Data (+)
or High Speed GMLAN Serial Data (+) (3)		 U0074* U0074, U1879* U0074* -
Powertrain High Speed GMLAN Serial Data (-)
or High Speed GMLAN Serial Data (-) (3)		 U0074* U0074, U1879* U0074* -
Ground - U1879* - -
* Other DTCs may set with this fault and multiple symptoms including a no start condition may occur.
scientia non olet · About LEMON Manuals