BE-F 593 31

UnclassifiedCooling

What This Code Means

Fuel temperature sensor defect; Loss of engine angle and speed determination; Poor crankshaft or camshaft signal plausibility and quality; Missing crankshaft speed signal; Engine overspeed detection; Unacceptably high engine speed; Engine shut down after countdown timer elapses; Engine shut down after countdown timer falls below calibrated timer (CoEng_stIdlShDwnStM_mp=1); Electric failure in the Stop Lamp; Electric failure in the Warning Lamp; Overspeed detection; Engine shut down; Engine shut down after countdown; Electric failure of Stop Lamp; Electric failure of Warning Lamp

Possible Causes

  • Unreliable fuel temperature sensor
  • Camshaft and crankshaft sensor evaluation failure
  • Error in the ECM
  • Downhill travel (misuse of the engine)
  • Countdown timer elapsed (CoEng_stIdlShDwnStM_mp=3)
  • Triggered by Fid_CoEngIdleShDwnLvl2
  • Engine coordinator stop function input conditions met (based on engine speed, vehicle speed, vehicle speed sensor defect, engine start status, parking brake switch status, or stop switch input)
  • Hardware-detected electric failure in the Power stage of Stop Lamp
  • Hardware-detected electric failure in the Power stage of Warning Lamp
  • Sensor defect
  • Operating states like downhill travel (misuse of the engine)
  • Countdown timer has elapsed (CoEng_stIdlShDwnStM_mp=3)
  • Countdown timer is below a calibrated timer (CoEng_stIdlShDwnStM_mp=1)
  • Power stage of Stop Lamp electric failure detected by hardware
  • Power stage of Warning Lamp electric failure detected by hardware

Suggested Actions

  1. 1Take a fixed value as a substitution (depending on data set configuration and sensor reliability)
  2. 2Take the actual engine temperature as a substitution (depending on data set configuration and sensor reliability)
  3. 3Use a substitute fix value or the actual engine temperature (depending on configuration by data set and sensor reliability)

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