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Home >> Mercedes Benz >> 2005 >> SL500 >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Fuel & Ignition -- Self-Diagnostic System -- 230 Chassis >> Self-Diagnostic System >> Gasoline injection and ignition system (ME-SFI) diagnosis - diagnostic trouble code memory - AD07.61-P-4000 >> ME-SFI fuel injection and ignition system (ME), DTC memory - AD07.61-P-4000M >> CAN fault detection ME-SFI - fault code description - AD07.61-P-4000-32M

CAN fault detection ME-SFI - fault code description - AD07.61-P-4000-32M

1A Fault code ME2.7.1 
(Fault code according to OBD)
P202F CAN message from ABC control unit (N51/2) missing or faulty (P0600)
2 Fault storage After expiry of test duration and fault
  Actuation of engine diagnosis indicator lamp (EURO4) or CHECK ENGINE (MIL) USA ONLY No actuation
3 Checking frequency Continuous
4 Checked signal or status The information motor speed, charge air temperature and variant coding is exchanged between the engine control unit and ABC control unit. This communication is monitored.
  Checking duration Approx. 10 seconds
1B Fault code ME2.7.2 
(USA ONLY Readout on generic scan tool)
P202F All wheel speed signals are implausible (P2158)
2 Fault storage After expiry of test duration and fault
  Actuation of the indicator lamp  
 
  • Engine diagnosis (EURO4)
  • No actuation
 
  • CHECK ENGINE (MIL) USA ONLY
  • Following two successive drive cycles with faults
3 Checking frequency Continuous
4 Checked signal or status For a started engine and fault-free CAN communication with the ESP control unit all wheel speeds are greater than 5000 RPM or less than 0 RPM.
  Checking duration Less than 5 seconds