CAT 3126B Fault Code: 232-03 PID: Flash Code 21 SPN: 620 FMI: 3 5 Volt Supply Above Normal

The ECM does not detect vehicle speed when conditions indicate vehicle speed should be present. This diagnostic code will not occur if programmed to 3000 rpm and desird engine pm is greater than VSL Protection.

CAT 3126B Fault Code: 41-04 PID: Flash Code 21 SPN: 678 FMI: 4 8 Volt Supply Below Normal

CAT 3126B Fault Code: 41-03 PID: Flash Code 21 SPN: 678 FMI: 3 8 Volt Supply Above Normal

CAT 3126B Fault Code: PID: Flash Code 18 SPN: 42 FMI: 11 Injection Actuation Pressure Control Valve Driver Fault

CAT 3126B Fault Code: 164-0 PID: Flash Code 17 SPN: 164 FMI: 0 Injection Actuation Pressure Out of Range

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CAT 3126B Fault Code: 41-04 PID: Flash Code 21 SPN: 678 FMI: 4 8 Volt Supply Below Normal
CAT 3126B Fault Code: 232-04 PID: Flash Code 21 SPN: 620 FMI: 4 5 Volt Supply Below Normal