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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 126 (Secondary And Configurable Customer Control System) >> Diagnostic Information And Procedures >> DTC B3622: Steering Wheel Controls Signal Circuit >> Circuit/System Testing >> S70R Steering Wheel Controls Switch-Right
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S70R Steering Wheel Controls Switch-Right

WARNING: This page is about a different car, the 2018 GMC Terrain and 2018 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector X1 at the P16 Instument Cluster.
  2. Disconnect the harness connector at the S70R Steering Wheel Controls Switch - Right. Ignition ON.
  3. Test for less than 1 V between the S70R Steering Wheel Controls Switch - Right serial data circuit terminal 2 and ground.
    • If greater than 1 V 

      Repair the short to voltage on the circuit.

    • Go to next step: If less than 1 V 
  4. Ignition OFF.
  5. Test for infinite resistance between the serial data circuit terminal 2 and ground.
    • If less than infinite resistance 

      Repair the short to ground on the circuit.

    • Go to next step: If infinite resistance 
  6. Replace the S70R Steering Wheel Controls Switch - Right.