What we do for the P550e

No fluff. If it’s electrical or hybrid-related on the P550e, we find the fault and fix it. Typical jobs we handle on-site or in workshop:

• 🔋 Hybrid battery health checks (SoH, cell imbalance, module testing)
• 🔧 Module reconditioning, cell replacement & battery balancing
• ⚡ Inverter diagnostics, cooling checks and repairs
• 🧠 BMS diagnostics, firmware updates and communication fixes
• 🔌 Charging port & onboard charger testing (AC & DC compatibility)
• 🔩 12V system faults, alternator & DC-DC converter checks
• 🛠 Dealer-level fault code read & software re-flash
• 🔍 Pre-purchase inspection for P550e buyers

Why choose us

• ✅ Specialist P550e tools and experience — we work on high-voltage systems every day.
• ✅ Mobile-first: we repair where it suits you, not the other way round.
• ✅ Transparent quotes & written diagnostic reports — no guesswork.
• ✅ Warranty on parts & labour — we stand by our work.

Common P550e symptoms we fix

• ⚠️ EV system warnings / reduced electric range
• ⚠️ Car going into limp mode or reduced power
• ⚠️ Failure to accept charge or slow charging
• ⚠️ Fault codes from inverter or BMS
• ⚠️ 12V battery drain or electrical gremlins

How the mobile service works (quick)

1. Book — Use the online scheduler or call 07421 186356.
2. We attend — Mobile tech arrives with tools & loan kit where applicable.
3. Diagnose — Full P550e scan: BMS, inverter, HV & 12V checks.
4. Fix or quote — We fix on-site where possible or quote for workshop repair/parts.
5. Verify — Post-repair test and written report.

Areas covered

London-wide: Camden, Westminster, Kensington & Chelsea, Hackney, Islington, Wandsworth, Richmond, Hammersmith & Fulham and every borough in between.

Frequently asked questions