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2002
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Sierra 1500 HD, RWD
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DTC B2961: Ignition 1 Input Signal Circuit Is High
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Conditions for Clearing the DTC
Conditions for Clearing the DTC
The DTC becomes history when the fault is no longer present.
A history DTC will clear after 100 malfunction free warm-up cycle.
The BCM receives a clear code command from the scan tool.
Fig 1: DTC B2961 Diagnosis (Steps 1-6)
Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC B2961 Diagnosis (Steps 7-12)
Courtesy of GENERAL MOTORS CORP.