FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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1B9A01

1B9A01 - P15FC

Information saved in
DME

Fault code
1B9A01 - P15FC

Fault text
Engine switch-off time: too fast during run-on

Fault description
The diagnostic function compares the internal timers of the
DME and the instrument cluster when the ignition is
switched on again while the control module is in its
shutdown phase.

Condition for fault identification
Test condition:
The fault is recognized when a deviation of more than 12
sec. is present.
Potential problem source(s):
- Collateral fault resulting from fault memory entries in the
DME and/or instrument cluster
Terminal condition: Terminal 15
Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

Condition for fault memory entry
This fault is logged in the control module's fault memory
immediately.

Action in service
- Because this is a collateral fault, start by resolving issues
related to other faults logged in the DME or instrument
cluster; no additional action will be needed with these kinds
of faults

Fault effect and breakdown warning
Breakdown notice:
None
Possible apparent symptoms:
None

Driver information
Warning light:
- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message: on
- US emissions warning lamp: off
- US electronic engine power reduction: off
- CC message: none

Service instruction
- The ECU shutdown phase lasts between 1 min. and 20
min.