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.
Compare scan tools for Cummins 6.7 diesel engines in RVs. Covers professional and DIY options for diagnostics, codes, and DPF regeneration.
Keep your RV generator running reliably with this comprehensive maintenance and troubleshooting guide for Onan, Generac, and Cummins units.
A $6,400 DPF replacement quote is high but typical for dealers. Your 2022 Cummins B6.7 may still have emissions warranty coverage for 5 years/100k miles. Consider professional DPF cleaning ($800-1,500) or authorized Cummins dealers before replacement.
Ford TSB 25-2200 addresses tapping/ticking noise at idle in 2020-2025 F53 V8 engines caused by excessive camshaft and valve tappet wear. This issue may require complete engine replacement under warranty and affects multiple motorhome chassis.
P0420 with surging often indicates exhaust leak affecting O2 readings. You replaced one manifold gasket - check the other side. V10s commonly have issues with both manifolds.
Multiple coil codes on driver side likely common wiring, ground, or PCM driver issue. Check shared circuits before replacing coils.
Since Ford's TSB 04-24-22 air intake horn is discontinued, your best options are fabricating a custom shield, relocating the intake, or installing a snorkel system. Several F53 owners have successfully used aftermarket solutions.
Rear ABS sensor at hub or differential depending on system. Remove wheel for access. Use penetrating oil on mounting bolt. Clean tone ring during service.
Yes, balance beads can be used with internal TPMS sensors without damaging them, but there are specific considerations for bead size and installation method. Many RVers have successfully used this combination.
When Ford discontinues ABS control modules for older F53 chassis, you can find compatible aftermarket modules, use remanufactured units, or explore specialty RV parts suppliers who stock obsolete components.
Your 2015 Vista's V-10 pulsing issue that started after mountain passes in Montana is likely caused by a failing mass airflow sensor, throttle position sensor, or fuel delivery problem. The "Fault received from External Node" code suggests a communication issue between engine management and instrument cluster that may be related.
RVLock Atlas installs in 10-15 minutes with a Phillips screwdriver. Designed specifically for RV door cutouts where residential locks wont fit. Program with jewelers screwdriver on reset button.
Key issue is only 3.3V at fuel pump relay trigger instead of 12V. This prevents relay activation. Trace the wire feeding relay pin 86 to find voltage drop. Check for bad connections, corroded grounds, or damaged wiring between power source and relay.
Yes, you're absolutely on the right track - your testing clearly points to a PCM failure in the ground switching circuit for the drivers side coil bank. The fact that you have +12v but no ground pulse during cranking confirms the PCM isn't completing the circuit.