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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (3 Of 3)) >> Diagnostic Information and Procedures >> DTC P203B-P203D >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different variant/trim than selected.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
5 V Reference U010E U010E U010E P203B
Serial Data U010E U010E U010E P203B
Low Reference - U010E U010E P203B