ECM fault code 168-1 indicates low battery voltage to the Engine Control Module, causing shutdown and electrical failures. This comprehensive guide covers diagnosis, repair steps, and prevention for diesel RV owners experiencing this critical issue.
Master your RV electrical system from house batteries to shore power. Covers 12V DC, 120V AC, inverters, and charging.
Keep your RV generator running reliably with this comprehensive maintenance and troubleshooting guide for Onan, Generac, and Cummins units.
Your generator likely uses the chassis battery and may have a weak connection or failing starting battery. The main engine alternator charges the chassis battery when running, explaining why the generator starts after running the engine.
Your comprehensive rebuild plan is solid, but focus on structural integrity preservation, proper moisture barriers, and weight distribution. Critical areas include electrical safety, plumbing rerouting, and maintaining slide-out mechanisms.
Contact Gregory Poole CAT dealer for mobile service in eastern NC. CEL after battery failure often requires code clearing with CAT ET software. May be stored codes from voltage event. Engine running smooth means likely safe to drive to service if needed.