P140D

27B2 - P140D

Information saved in
DME

Fault code
27B2 - P140D

Fault text
Secondary air-injection system flow rate, main branch

Fault description


Condition for fault identification
Test condition:
Continuous compliance with secondary air-injection system
conditions
Terminal condition: Engine running
Voltage condition:
ub > K_DIAG_TR_Plus_Min

Condition for fault memory entry
sls_obdh_lam_asv_intg_norm above threshold

Action in service
1. Replace electric changeover valve.
2. If fault is still present, look for leaks in main line.

Fault effect and breakdown warning
MIL is on after 2x engine cold start

Driver information
Warning light:
No

Service instruction
none