Diagnostic Aids

1995 GMC Suburban K2500, 6.5 FSECTION Diagnostic Aids
WARNING: This page is about a different car, the 1995 Pontiac Trans Sport, 1995 Oldsmobile Silhouette, and 1995 Chevrolet Lumina APV. However, it is still accessible from the selected car via links, so may be relevant.

Check vehicle wiring harness for open or short in serial data circuit. Check for poor connections, damaged connectors or wiring harness. Observe ABS data on scan tool while moving harness and related connectors. If failure is induced, scan tool will stop updating. This may help isolate malfunction.

Fig 1: Code 1573 Schematic (3.8L FWD Van) Traction Control Loss Of ABS/TCS Serial Data
G95C28110
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:

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