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DTC P0886: TCM Power Relay Control Circuit Low

DTC P0886: TCM POWER RELAY CONTROL CIRCUIT LOW

Description:  This DTC sets when the ISP-R circuit indicates the ignition is in the OFF, ACC, or LOCK position, and the amount of time the TCM remains powered through the TCM power relay exceeds a predetermined amount of time.
Possible Causes: 
  • TCMRC circuit short to ground
  • Damaged TCM
Diagnostic Aids:   
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST BB .