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HOMESERVICE MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 10 (HYBRID/EV CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC P0B09COMPONENT TESTING
2013 Buick Regal Turbo Premium, Standard Trans

Component Testing

2013 Buick Regal Turbo Premium, Standard TransSECTION Component Testing
WARNING: This page is about a different variant/trim than selected.
  1. Ignition OFF, disconnect the KR86 Transmission Fluid Pump Relay - Auxiliary.
  2. Test for 85-130 Ω between terminals 85 and 86.
    • If less than 85 Ω or greater than 130 Ω 

      Replace the relay.

    • If between 85-130 Ω 
  3. Test for infinite resistance between the terminals listed below:
    • 30 and 86
    • 30 and 87
    • 30 and 85
    • 85 and 87
    • If less than infinite resistance 

      Replace the relay.

    • If infinite resistance 
  4. Install a 3 A fused jumper wire between relay terminal 85 and 12 volts. Install a jumper wire between relay terminal 86 and ground.
  5. Test for less than 2 Ω between terminals 30 and 87.
    • If 2 Ω or greater 

      Replace the relay.

    • If less than 2 Ω 
  6. All OK.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.