MSS60 Error: 2B23, P158A, P158B, P158C, P158D

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Information saved in DME
Fault code 2B23 - P158A
Fault text Idle actuator governor monitoring, bank 1
Fault description Idle-Speed Control Valve Fail Safe Modus (Bank 1)
Condition for fault identification Test Condition: Actuator shifts to Failsafe mode
Terminal condition: TERM87
Voltage condition: Battery voltage > 6.8V (k_egas_can_ed_ub_min)
Condition for fault memory entry 10 ms
Action in service 1. Clear fault memory, LLS system test,
2. Check plug and wiring harness at LLS1
3. Replace LLS1
Fault effect and breakdown warning CC message
RPM Limited
Power reduction
DSC Lamp
Driver information Warning light: MIL, EML, CC message, backup program
Service instruction None
Information saved in DME
Fault code 2B23 - P158B
Fault text Idle actuator governor monitoring, bank 1
Fault description Internal Idle-Speed Control Valve Diagnostic Error (Bank 1)
Condition for fault identification Test Condition: Actuator reports system error
Terminal condition: TERM87
Voltage condition: Battery voltage > 6.8V (k_egas_can_ed_ub_min)
Condition for fault memory entry 10 ms
Action in service 1. Clear fault memory, LLS system test,
2. Check plug and wiring harness at LLS1
3. Replace LLS1
Fault effect and breakdown warning CC message
RPM Limited
Power reduction
DSC Lamp
Driver information Warning light: MIL, EML, CC message, backup program
Service instruction None
Information saved in DME
Fault code 2B23 - P158C
Fault text Idle actuator governor monitoring, bank 1
Fault description Idle-Speed Control Valve Adaptation Failure (Bank 1)
Condition for fault identification Test Condition: Adaptation error
Terminal condition: TERM87
Voltage condition: Battery voltage > 6.8V (k_egas_can_ed_ub_min)
Condition for fault memory entry 10 ms
Action in service 1. Clear fault memory, LLS system test,
2. Check plug and wiring harness at LLS1
3. Replace LLS1
Fault effect and breakdown warning CC message
RPM Limited
Power reduction
DSC Lamp
Driver information Warning light: MIL, EML, CC message, backup program
Service instruction None
Information saved in DME
Fault code 2B23 - P158D
Fault text Idle actuator governor monitoring, bank 1
Fault description Idle-Speed Control Valve Position Control Error (Bank 1)
Condition for fault identification Test Condition: Actuator reports regulator error
Terminal condition: TERM87
Voltage condition: Battery voltage > 6.8V (k_egas_can_ed_ub_min)
Condition for fault memory entry 10 ms
Action in service 1. Clear fault memory, LLS system test,
2. Check plug and wiring harness at LLS1
3. Replace LLS1
Fault effect and breakdown warning CC message
RPM Limited
Power reduction
DSC Lamp
Driver information Warning light: MIL, EML, CC message, backup program
Service instruction None