P1645

2B99 - P1645

Information saved in
DME

Fault code
2B99 - P1645

Fault text
Control module, internal fault: RAM backup

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

Condition for fault identification
Test condition:
Not possible to read 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