DESCRIPTION:
Diffuser heater circuit failed low.
MONITORED PARAMETER:
Diffuser Heater
TYPICAL ENABLING CONDITIONS:
1. DEF Tank Temperature is less than -3.33°C (26°F).
2. Ambient Temperature is less than 10°C (50°F).
MONITOR SEQUENCE:
None
EXECUTION FREQUENCY:
Continuous when enabling conditions met.
TYPICAL DURATION:
Two seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Derate 10%
VERIFICATION:
Output component test.
NOTE: If code not active, release vehicle to customer.
PROBABLE CAUSES:
1. DEF metering unit diffuser heater.
2. DEF metering unit diffuser heater connector/harness.
3. DEF doser valve.
We’ll never share your email address with a third-party
Reviews
There are no reviews yet.