If you encounter the message after the update, do not cycle ignition again . Instead, immediately reload the same .hex file without erasing first. This is a rare bug affecting less than 1% of V106 units produced before week 22 of 2023. 6. Frequently Asked Questions (FAQ) Q: Is the “New Update Updated” mandatory? A: Not legally mandated, but highly recommended for any motorhome equipped with the ENG Motor Home V106 RJ01228542 that experiences cold‑start roughness or false NOx sensor codes.
One user experienced a 0.5 second hesitation when flooring the accelerator from 90 km/h. ENG support acknowledges this and will address in a future re‑updated patch (expected Q3). 5. Potential Issues & Troubleshooting the Update Even with the “updated update,” some problems can occur. Here is a quick troubleshooting table for the RJ01228542 after flashing. eng motor home v106 rj01228542 new update updated
| Symptom | Most Likely Cause | Solution | |---------|-------------------|----------| | ECU not responding after flash | Loss of 12V during write | Use boot‑pin recovery mode (requires bench programming) | | Check engine light on with DTC U0073 | CAN bus termination mismatch | Verify 120Ω resistor is present on the J1939 backbone | | Engine derates above 2,500 RPM | Unlearned throttle position | Perform TPS relearn: pedal to floor 3x with ignition ON, engine OFF | | Cruise control inactive | corrupted adaptation channel 0x3F | Re‑reset learned values using Diag Suite, not generic OBD scanner | If you encounter the message after the update,
A: No. The RJ01228542 is strictly a diesel controller. Gasoline V106 ECUs have a different suffix (e.g., RJ01228543). Do not flash diesel firmware onto a gas unit. 7. Final Verdict: Should You Install the New Update? If you own a diesel motorhome with the ENG Motor Home V106 (RJ01228542) , the New Update Updated is a net positive. The improvements in DPF regeneration logic and transmission smoothness alone justify the 30‑minute investment. The single reported drawback (minor tip‑in hesitation at highway speeds) affects only a small subset of vehicles with aftermarket air filters. One user experienced a 0
A: Yes, only if you made a backup before updating. ENG does not host older firmware publicly due to emissions compliance (EPA/CARB). If you lost the backup, contact ENG technical support with your VIN and ECU serial number.