How to Solve Deutz EMR3 Error Code 12/91/APP1

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.

Deutz SerDia2010

 

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