P0A3B

2E2C - P0A3B

Information saved in
DME

Fault code
2E2C - P0A3B

Fault text
Generator, overtemperature

Fault description
Alternator, temperature: Overtemperature

Condition for fault identification
Test condition:
The error is recognized by temperature measurement in the
regulator and transmitted to the DME via the BSD interface
bus.
Terminal condition: Terminal 15
Voltage condition:
Alternator specified voltage for min. 5 sec.: high electrical
system voltage +1.0 V or greater than 14 V

Condition for fault memory entry
25.5 sec.

Action in service
- Inspect alternator for unobstructed air current
- If the IMIB is available, perform an alternator test
- If no IMIB is available, delete stored fault codes from
control module fault memory and take no further action

Fault effect and breakdown warning
None
Reduction in comfort and convenience accessories

Driver information
Warning light:
none

Service instruction
If no other faults related to the alternator have been logged,
do not replace the alternator.
This fault only indicates that the alternator's thermal
protection function has assumed active status in response to
excessive component temperature.
This is not a case of a defective component.