SPN 1075 FMI 2

WarningCooling

What This Code Means

Heating flange 2 - Short circuit to battery (low side); Heating flange 2 - Short circuit to battery high side; Heating flange 2 - Short circuit to ground; Heating flange 2 - Short circuit to ground (high side); Heating flange 2 - Short circuit to ground (low side); Heating flange 2 - Short circuit to ground high side; Volume control valve - Critical high output current; Volume control valve - Critical overcurrent; Volume control valve - Critical undercurrent; Volume control valve - Load is short circuited; Volume control valve - Short circuit load; Volume control valve - Open circuit; Volume control valve - Short circuit to battery (high side); Volume control valve - Short circuit to battery high side; Volume control valve - Short circuit to ground (high side); Volume control valve - Short circuit to ground high side; ECU - Critical overtemperature; ECU - Overtemperature warning; ECU temperature sensor 1 - Supply voltage out of range; Cylinder head temperature sensor 1 - Communication

Possible Causes

  • Short circuit to battery
  • Short circuit to ground
  • Critical high output current
  • Critical overcurrent
  • Critical undercurrent
  • Short circuit load
  • Open circuit
  • Critical overtemperature
  • Overtemperature warning
  • Supply voltage out of range
  • Communication error
  • Internal error
  • Internal temperature error
  • Value out of range

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for SPN 1075 FMI 2 on your specific Rehlko unit — cited to the OEM manual, not a forum guess.

TRY IT FREE