Rehlko

4811 4

UnclassifiedCooling

What This Code Means

DEF line heater 2 short circuit to ground; Exhaust gas temperature (upstream SCR) overtemperature warning; Exhaust gas temperature sensor (upstream SCR) open circuit; Exhaust gas temperature sensor (upstream SCR) plausibility error; Exhaust gas temperature sensor (upstream SCR) short circuit to battery; Exhaust gas temperature sensor (upstream SCR) short circuit to ground; Exhaust gas temperature sensor (upstream SCR) supply voltage out of range; SCR system very low conversion efficiency; NH3 sensor 1 installation error; NH3 sensor electrical error; NH3 sensor heater performance error; Exhaust gas temperature (upstream SCR) 2 overtemperature warning; Exhaust gas temperature sensor (upstream SCR) 2 open circuit; Exhaust gas temperature sensor (upstream SCR) 2 short circuit to battery; Exhaust gas temperature sensor (upstream SCR) 2 short circuit to ground; Exhaust gas temperature sensor (upstream SCR) 2 supply voltage out of range; Exhaust gas temperature sensor (upstream SCR) 2 plausib

Possible Causes

  • •DEF line heater 2 short circuit to ground
  • •Exhaust gas temperature (upstream SCR) overtemperature warning
  • •Exhaust gas temperature sensor (upstream SCR) open circuit
  • •Exhaust gas temperature sensor (upstream SCR) plausibility error
  • •Exhaust gas temperature sensor (upstream SCR) short circuit to battery
  • •Exhaust gas temperature sensor (upstream SCR) short circuit to ground
  • •Exhaust gas temperature sensor (upstream SCR) supply voltage out of range
  • •SCR system very low conversion efficiency
  • •NH3 sensor 1 installation error
  • •NH3 sensor electrical error
  • •NH3 sensor heater performance error
  • •Exhaust gas temperature (upstream SCR) 2 overtemperature warning
  • •Exhaust gas temperature sensor (upstream SCR) 2 open circuit
  • •Exhaust gas temperature sensor (upstream SCR) 2 short circuit to battery
  • •Exhaust gas temperature sensor (upstream SCR) 2 short circuit to ground
  • •Exhaust gas temperature sensor (upstream SCR) 2 supply voltage out of range
  • •Exhaust gas temperature sensor (upstream SCR) 2 plausibility error
  • •SCR system 2 very low conversion efficiency
  • •NH3 sensor 2 installation error
  • •NH3 sensor 2 electrical error

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