CID 3137 CAT Fault Code

Aftertreatment #2 SCR Catalyst Reagent Tank #2 Temperature Sensor

Cause :

The battery supplies electricity to the TCM even when the ignition switch is off. This power allows the TCM to store data such as DTC history and freeze frame data.If the charge system light stays on, or comes on while driving, there may be a problem with the electrical charging system. Driving while this light is on could drain the battery.

CID-3217
CID-261
CID-2769
CID-2034
CID-3637
CID-3564
CID-2114
CID-2620
CID-3031
CID-1648

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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