01-20-2021, 07:05 PM
Vacuum Pump Control Range/Performance
The Powertrain Control Module (PCM) monitors the Vacuum Pump Control Circuit signal. The PCM sets the OBDII code when the Vacuum Pump Control Circuit signal is out factory specifications.
Cause:
Faulty Vacuum Pump Control
Vacuum Pump Control harness is open or shorted
Vacuum Pump Control circuit poor electrical connection
Symptoms:
Check engine light
The Powertrain Control Module (PCM) monitors the Vacuum Pump Control Circuit signal. The PCM sets the OBDII code when the Vacuum Pump Control Circuit signal is out factory specifications.
Cause:
Faulty Vacuum Pump Control
Vacuum Pump Control harness is open or shorted
Vacuum Pump Control circuit poor electrical connection
Symptoms:
Check engine light