2B99 - P1649 (DME)

2B99 - P1649

Information saved in
DME

Fault code
2B99 - P1649

Fault text
Control module, internal fault: RAM backup

Fault description
Internal Control Module Random Access Memory (RAM)
Writing Error

Condition for fault identification
Test condition:
Not possible to write to NVRAM
Terminal condition: Terminal 15
Voltage condition:
none

Condition for fault memory entry
none

Action in service
Replace DME

Fault effect and breakdown warning


Driver information
Warning light:
none

Service instruction
none