LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 41 (Wiring Systems And Power Management - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2537 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF/Vehicle OFF, disconnect the harness connector at the control module setting the DTC.
  2. Ignition ON/Vehicle in Service Mode.
  3. Verify a test lamp illuminates between the accessory wake up serial data circuit and ground.
    • If the test lamp does not illuminate. 
    1. Ignition OFF/Vehicle OFF, remove the test lamp, disconnect the X4 connector at the K9 Body Control Module.
    2. Test for less than 2 Ω on the ignition circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the K9 Body Control Module.
    • Go to next step: If the test lamp illuminates 
  4. Replace the control module setting the DTC.
scientia non olet · About LEMON Manuals