2B58 - P0506 (DME)

2B58 - P0506

Information saved in
DME

Fault code
2B58 - P0506

Fault text
Idle controller monitoring

Fault description
Idle Control System RPM Lower Than Expected

Condition for fault identification
Test condition:
RPM too low by 100 rpm (K_LLR_DIAG_N_ZU_KLEIN)
and idle controller at upper travel stop for 9 sec.
(K_LLR_DIAG_T)
Terminal condition: Terminal 15
Voltage condition:
none

Condition for fault memory entry
9 sec.

Action in service
1. Check air-induction system for obstructions
2. Check idle actuator hose system for crushed and plugged
hoses

Fault effect and breakdown warning
No closed-loop idle control
MIL after engine runs 2x

Driver information
Warning light:
MIL

Service instruction
none