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HOMESERVICE MANUALSCHEVROLET2019TAHOE LS, 4WD, GAS/ETHANOLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 58 (POWER DOOR LOCK SYSTEM AND RELEASE SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B2730COMPONENT TESTING
2019 Chevrolet Tahoe LS, 4WD, Gas/Ethanol

Component Testing

2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION Component Testing
WARNING: This page is about a different car, the 2018 Chevrolet Sonic. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition/Vehicle - Off
  2. Disconnect the electrical connector: S48E Multifunction Switch - Center Console
  3. Test for infinite resistance between the test points: Signal terminal 7 & Ground terminal 9 - Not Pressed
    • If less than infinite resistance 

      Replace the component: S48E Multifunction Switch - Center Console

    • Go to next step: If infinite resistance 
  4. Test for less than 3 ohms between the test points: Signal terminal 7 & Ground terminal 9 - Pressed
    • If 3 ohms or greater 

      Replace the component: S48E Multifunction Switch - Center Console

    • Go to next step: If less than 3 ohms 
  5. All OK.
RENDER: 1.0x

NO RELATED

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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.