(DME) Condition For Fault ID - 2

2B15 - P0638

Information saved in
DME

Fault code
2B15 - P0638

Fault text
Throttle-valve actuator, governor monitoring, bank 1

Fault description
Throttle Actuator Control Range/Performance (Bank 1)

Condition for fault identification
Test condition:
Actuator reports regulator error
Terminal condition: TERM87
Voltage condition:
none

Condition for fault memory entry
10 ms

Action in service
1. Clear fault memory, carry out EDR electronic throttle
valve control system test,
2. Check plug and wiring harness to throttle valve sensor
DKG1 and EDR1,
3. Replace DKG1 or EDR Bank 1,
4. With UMWB engine protection check throttle valve
assembly for stiction

Fault effect and breakdown warning
CC message
Engine speed limited
Reduced power
MIL after engine runs 2x

Driver information
Warning light:
MIL, EML, CC message, backup program

Service instruction
none