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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Automatic Transmission - 8L90 (M5U) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P182A, P1838, P18B5, P18BA, or P18BF >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

DTC P182A 

Internal Mode Switch A = Less than 0. 7 V - For greater than 2 s

DTC P1838 

Internal Mode Switch A = Greater than 2. 38 V - For greater than 2 s

DTC P18B5 

Internal Mode Switch A = 1. 0 to 1. 7 V - For greater than 2 s

DTC P18BA 

Internal Mode Switch A = Invalid - For greater than 2 s

DTC P18BF 

Internal Mode Switch A = Invalid - For greater than 3 s

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