CAT 3406E (Prefix 1MM or 2WS) Fault Code: 21 PID: SPN: 232 FMI: 4 5 Volt Supply voltage low
The Engine Control Module (ECM) detects the following conditions:
•The 5 volt supply is less than 4.84 VDC for more than one second.
•The ECM has been powered for at least three seconds.
Sensors that are regulated with 5V: Boot pressure, atmosphere pressure, engine oil pressure, coolant temperature, intake manifold air temperature, fuel temperature
Probable Causes:
1) ECM Connection/Harness
2) Sensor Failure
3) Sensor wiring failure
4) ECM Failure
-
Volvo Premium Tech Tool PTT 2.8.130 Diagnostic Software 04.2022 ACPI ( 1 PC )
Trucks software $143.00Rated 0 out of 5 -
John Deere & Hitachi Parts ADVISOR 2020 [08.2020] Offline DVD Spare Parts Catalog
John Deere $120.00Rated 0 out of 5
-
Wabco ToolBox plus 13.7 + ECAS CAN2 v3.00 Diagnostics Software
Trucks software $84.00Rated 0 out of 5 -
Eaton Service Ranger 4.9 Engineering 4.9 [05.2021] Engineering Level ( 1 PC )
Eaton $67.00Rated 0 out of 5 -
CAT Engine Reprogramming Tool for flash programming C1.8, C2.4, C3.8 & C3.3B + Guide
CAT $50.00Rated 0 out of 5
Related products
-
DPF EGR SCR BAC ERG Delete & Flash CAAT Cummings Detroit Dodge Mack Volvo Collection of DELETE files
CAT $200.00Rated 0 out of 5 -
CAT 3126B Fault Code: 231-02 PID: Flash Code 58 SPN: 639 FMI: 2 J1939 Data Incorrect
3126BRated 0 out of 5 -
CAT 3126B Fault Code: 168-01 PID: Flash Code 51 SPN: 168 FMI: 1 Low ECM Battery Power
3126BRated 0 out of 5 -
CAT 3126B Fault Code: 70-05 PID: Flash Code 49 SPN: 729 FMI: 5 Inlet Air Heater Open Circuit
3126BRated 0 out of 5 -
CAT 3126B Fault Code: 231-11 PID: Flash Code 58 SPN: 639 FMI: 12 J1939 Data Link Fault
3126BRated 0 out of 5
-
service manual TroubleshootingManual Allison TransmissionMD/HD/B -Series -TransmissionsWTEC II Controls
Allison $25.00Rated 0 out of 5