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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Data Communication System) >> Diagnostic Information and Procedures >> DTC U1814: Powertrain Wake-Up Communication Circuit >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2017 Chevrolet Spark. 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
Ignition U1814 02* U0100-U02FF - -
* Vehicle may not start.
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