Lessons from a 2015
Mitsubishi Outlander
When it comes to State of Health (SOH) battery testing, the theory is straightforward — but
the reality in the field is far from simple.
As a mobile technician, I recently assessed a 2015 Mitsubishi Outlander PHEV. This case highlighted just how nuanced SOH reporting becomes when vehicle history is uncertain and fault codes point to deeper issues.
The Challenge: Limited History, Uncertain BMS Status
This vehicle presented with: No clear record of battery service history- No confirmation of a BMS reset, swap, or firmware update- Active DTCs pointing to degrading modules
For a mobile technician, these unknowns matter. Simply quoting a scan tool’s SOH percentage can mislead clients.
My Approach: Evidence-Based, Mobile-Friendly Logic
To protect both the client’s investment and my business reputation, I structured a SOH report that included: - Current DTCs linked to module groups- A clear battery history declaration noting missing reset/swap data- On-site visual inspection overlays with temperature variance notes- Transparent disclaimers that highlight scan tool limitations. This approach allowed me to present a realistic picture of the battery’s condition — without overpromising or misrepresenting what the scan data showed.
Why This Matters for Mobile Diagnostics
SOH testing is not just about numbers — it’s about trust. As a mobile service provider, I embed technician logic, override checks, and transparent language clients can understand. This ensures that even outside a workshop environment, clients receive evidence-based insights they can trust.
If You want to know more Contact nextphaseauto.com.au
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