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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Manual Transmission - Y4A/Y4M) >> Diagnostic Information and Procedures >> DTC P0812 >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.
  1. Ignition OFF, disconnect the harness connector at the B16 Backup Lamp Switch.
  2. Place the transmission in Reverse position.
  3. Test for less then 5 Ω between the signal terminal 1 and the ground terminal 2 at the B16 Backup Lamp Switch.
    • If 5 Ω or greater 

      Replace the B16 Backup Lamp Switch.

    • Go to next step: If less than 5 Ω 
  4. All OK.
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