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2003
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Jimmy 2D Utility, Part Time, Standard
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Diagnostic Information and Procedures
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DTC P0621
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Conditions for Clearing the DTC
Conditions for Clearing the DTC
The Conditions for Setting the DTC are no longer present.
A history DTC will clear after 40 malfunction free ignition cycles.
The Powertrain Control Module (PCM) receives the clear code command from the scan tool.
Fig 1: DTC P0621 Specification Chart
Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC P0621 Specification Chart
Courtesy of GENERAL MOTORS CORP.