Possible causes
– Faulty Vacuum hoses damaged
– Faulty Air Pump inoperative
– Air bypass solenoid harness is open or shorted
– Air bypass solenoid circuit poor electrical connection
– Air bypass solenoid leaking/blocked or stuck open/closed
– Air diverter valve leaking/blocked or stuck open/closed
– Faulty Air Pump inoperative
– Air bypass solenoid harness is open or shorted
– Air bypass solenoid circuit poor electrical connection
– Air bypass solenoid leaking/blocked or stuck open/closed
– Air diverter valve leaking/blocked or stuck open/closed
Tech description
Visually inspect AIR pump and AIR bypass valve harness and connector, if connector are OK, then replaced AIR bypass valve.
There is a factory service bulletin for the following GMC Models:
1999-2001 GMC Jimmy
GMC Factory Service Bulletin OBDII Code P0410
When is the obd code mean?
The secondary air injection system does not detect the presence of air in the exhaust when introduced by the secondary air injection system.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Engine hesitation
– Engine hesitation
P0410 GMC OBD Code Description