“CAT ET 2026 Diagnostic Software” has been added to your cart. View cart
The ambient air temperature signal is sent to the instrument cluster module. The instrument cluster module then transmits the ambient air temperature data to the Engine Control Module (ECM) via the J1939 data lines.
Probable cause
1) Ambient temperature below -30??C (-22??F)
2) Wiring harness
3) Faulty sensor
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
-
Detroit DD16 EPA10 (2010-13) Fault Code: SPN 3510 FMI 3 (CPC) High Voltage
DD16 EPA10 (2010-13) -
Volvo All Engines (2017 Emissions) Fault Code: P113C00 PID: EMS Turbo Compound Buffer Air Valve Control Circuit High
All Engines (2017 Emissions)