MID 149 CAT Fault Code

Engine Aftertreatment Control #1

Cause :

If the battery voltage falls below a minimum level, these memories are cleared and the TCM determines that there is a malfunction in the power supply circuit. When the engine is next started, the TCM will illuminate the MIL and set the DTC.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.

MID-117
MID-40
MID-23
MID-147
MID-137
MID-170
MID-54
MID-146
MID-153
MID-139

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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