CID 748 CAT Fault Code

Rotor Door Switch

Cause :

The control unit indicates problems in the operation of the throttle. For an unknown reason, the control module was not able to provide training in the limit position of the node.Engine started, engine running, and the PCM detected a high voltage present at the PCM for 3 minutes after the engine started. The Starter Relay Control Circuit High Voltage test monitors the voltage signal that is sent from the ignition switch.

CID-1751
CID-1862
CID-849
CID-2497
CID-1852
CID-1723
CID-1015
CID-2490
CID-150
CID-3588

Don't forget ! When a fault code pops up, CAT's Uptime Center is automatically notified via an cellular link, and it alerts the truck's owner by prearranged methods, usually email or phone calls.

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