Error
Error
Error
Location
Location
Location
Type
Type
Type
Description
Description
Description
Cause
Cause
Cause
Solution
Solution
Solution
A7DA
Heater A
Unexpected
Current A
Shorted TCM
If error cannot be
cleared or regenerates
consistently, replace
module.
A7DB
Heater B
Unexpected
Current B
Shorted TCM
If error cannot be
cleared or regenerates
consistently, replace
module.
A7DH
Hose
Unexpected
Current Hose
Shorted TCM
If error cannot be
cleared or regenerates
consistently, replace
module.
Tripped circuit
breaker
Visually check circuit
breaker for a tripped
condition.
A8DA
Heater A
No Current A
Loose/broken
connection
Check heater wiring for
loose wires.
Tripped circuit
breaker
Visually check circuit
breaker for a tripped
condition.
A8DB
Heater B
No Current B
Loose/broken
connection
Check heater wiring for
loose wires.
Tripped circuit
breaker
Visually check circuit
breaker for a tripped
condition.
A8DH
Hose
No Current Hose
Loose/broken
connection
Check heater wiring for
loose wires.
18
334946J