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JRS___B's avatar
JRS___B
Explorer
Sep 30, 2014

Ram Cummins Malfunction Light - Needed new batteries

I didn't know there was a check engine light for old batteries. The batteries in my 2007 Ram (6.7 liter) were original. I started to get an intermittent malfunction light. The Error code was for l...
Tow Vehicles
sch911's avatar
sch911
Explorer
Sep 30, 2014
If the CAN bus senses a low voltage condition for a specified period of time it can trigger this fault. It's not really intended to be used as a battery diagnostic, but bad batteries can cause it to set....

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