FixVault

A/T Control Relay System: Notes

PROBABLE CAUSE CHART

Code No.P0885 A/T Control relay system Probable cause
If the relay voltage is less than 7V after the ignition switch has been turned to ON, it is judged that there is an open circuit or a short circuit in the A/T control relay ground and diagnostic trouble code P0885 is output. The transaxle is locked into 3rd gear as a fail-safe measure.
  • Malfunction of the A/T control relay
  • Malfunction of connector
  • Malfunction of the ECM