CDAA

2006 BMW X5 (E53) V8-4.8L (N62)SECTION CDAA
CDAA - U112D

Information saved in
DME

Fault code
CDAA - U112D

Fault text
Message (status, crash deactivation, el. fuel pump, 135)

Fault description
Lost Communication With Control Crash Cut-Off EKP
(Electrical Fuel Pump)

Condition for fault identification
Test condition:
E65 data content defined
Terminal condition: 800 ms after Terminal 15
Voltage condition:
battery voltage >10 V

Condition for fault memory entry
50 sec.

Action in service
- Check other ECUs for CAN fault
- Measure resistance on bus
- Check wiring harness Replace defective ECU as indicated

Fault effect and breakdown warning


Driver information
Warning light:
none

Service instruction
none
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.