Exhaust brake (V17/V107)
â–¶ How to fix
Check the wiring / connector to the valve block ( the resistance over the valve should be between 20 and 60 ohms) Replace the component (V17/V107)
What you'll see
No driver-visible symptom recorded.
System reaction
Yellow warning lamp No particulate filter regeneration will be performed. The exhaust brake will not work, which will result in reduced braking performance of the vehicle White smoke limiter will not work Can lead to a deterioration in gear shift quality
Diagnostic depth
Detection
S8 indicates a short circuit to 24V or open circuit on pin A3-9, or short to ground on pin A3-10 - exhaust brake valve (V17/V107)
Possible cause
Short circuit to 24V or open circuit on pin A3-9, Short to ground on pin A3-10