DTC 76, Resume/ACCEL Switch Fault: Notes

1996 Chevrolet Sportvan Van Passenger Extended, 6.5 YSECTION Notes
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 1996 Chevrolet Chevy Van, 1995 GMC Vandura Special, 1995 GMC Vandura, 1995 GMC Rally Camper Special, and 1995 GMC Rally. However, it is still accessible from the selected car via links, so may be relevant.

Cruise ON/OFF, SET/COAST and RESUME/ACCEL switches are inputs to fuel control portion of PCM. These inputs allow PCM to control and hold a requested speed. Resume/accel request signal circuit supplies ignition voltage to PCM when resume/accel is depressed. DTC 76 will set when:

  • Cruise control is on.
  • Ignition voltage on resume/accel request signal circuit is present for more than 25.5 seconds.

PCM will disallowing all cruise inputs. TCC shift schedules may be affected.

NOTE: Test numbers refer to numbers on diagnostic chart.
  1. This step determines if resume/accel request signal circuit is shorted to voltage.
  2. This step determines if PCM or switch is at fault.
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.
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  • β€’ You are not confident in the next step or safety outcome.