Here is the instruction show you guide on how to troubleshooting for Deutz EM3 trouble code 12/91/APP1.
Preparations:
Deutz Diagnostic Kit DECOM for Deutz Engine
2023 Deutz Serdia2010 v14.1.9.1 Diagnostic Software Free Download
Deutz Serpic EPC Parts Catalogue 2014 2012 Free Download
12 / 91 / APP1
Error description THROTTLE 1
Analog accelerator pedal sensor 1 or double accelerator pedal sensor: the voltage measured by ECU is out of the target range or the calculated pedal position is implausible compared with the
position of the second pedal
Error codes
DEUTZ-Errorcode: 12
BlinkCode (short-long-short): 2 – 2 – 6
SPN: 91
possible FMI:
3: Voltage to high or short circuit to +Ubatt
4: Voltage to low or short circuit to -Ubatt
12. Errormode not identifiable
2: data stream is defective
Error detection
Error lamp shows permanent light. Entry in errormemory.
Possible reason for error
Voltage outside target range, signal implausible compared to signal of redundant pedal (analog pedal 1), sensor defective, connection cable demaged
Take actions for error repair
Check cabling, check accelator pedal sensor and if necessary replace it, check connection cable and if necessary repair or replace it other error properties
System reaction: Warning, switching to substitute value correspond to Priority-Chain or Limp Home
Behaviour error lamp: permanent light
Selfhealing: no
Signal Priority: 4
For more repair case of Deutz engine,please refer to:Deutz Engine Repair
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