DTC B2708 Hummer

Starter Cut Relay 1 Malfunction

Starter Cut Relay 1 Malfunction

Description

Engine running, Starter switch OFF cut relay turn on switching failure, ON STRLD open circuit failure. One of these conditions occurs. (1) The terminal voltage of the STRLD exceeds 3.0 volts for at least 5 seconds when the starter cut relay output is turned off. (2) The terminal voltage of the STRLD is 2.4-2.6 volts for at least 0.8 second when the starter cut relay output is turned on. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.

Cause and Solution

Poor connections or loose terminals at starter cut relay 1 and the PCM Faulty starter relay 1

Video Guide

Duration: PT4M6S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: B2708
  • Brand: Hummer
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