“John Deere Service Advisor 5.4.44 2025 (AG & CF) | Nexiq USB Link 3 Compatible” has been added to your cart. View cart
The control module provides the following sensors with 5V supply voltage
A138, Aftertreatment DEF Dosing Pressure
If an abnormal voltage or current is detected on the common supply a DTC is set
Conditions for diagnostic trouble code (DTC):
1) The voltage at pin A137:51 is more than 5.5?V
Observable symptoms
1) None
Probable cause
1) Wiring harness
2) Connector
3) A137: Aftertreatment Control Module (ACM)
Related products
-
Allison 1000 & 2000 Gen 5 Fault Code:P2764 TCC PCS Control Circuit Low
1000 & 2000 Gen 5 -
Allison 1000 & 2000 Gen 5 Fault Code:U0100 Lost Communication With ECM A
1000 & 2000 Gen 5
-
Allison 1000 & 2000 Gen 4 Fault Codes: P0777 Solenoid B Controlled Clutch Stuck On
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 5 Fault Code:P0729 Incorrect 6th Gear Ratio
1000 & 2000 Gen 5