FixVault

P0690 - Electronic Control Module (ECM)/Powertrain Control Module Power Relay Sense Circuit High

DTC DESCRIPTION P0690 - ELECTRONIC CONTROL MODULE (ECM)/POWERTRAIN CONTROL MODULE POWER RELAY SENSE CIRCUIT HIGH

Description:  This DTC sets when the voltage on the ISP-R and the INJPWRM or VPWR circuits do not correspond for a calibrated period of time.
Possible Causes: 
  • ISP-R circuit short to voltage
  • VPWR circuit open
  • INJPWRM circuit open
  • Damaged fuel pump relay
  • Damaged PCM power relay
Diagnostic Aids:   
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test B .