OBD-II Code · Ignition
P0360
Ignition Coil J Primary/Secondary Circuit
Cylinder 10 coil fault — V10 engines only.
Common symptoms
- Misfire cyl 10
- CEL
- Reduced power
Likely causes
- Failed COP (heat-soaked rear bank)
- Harness chafe
Where to start
- Try the cheapest cause first. Start by checking: failed cop (heat-soaked rear bank).
- Cost & scope. $40-$6,500
- If the code returns after the fix: escalate to a shop or scanner with live-data and freeze-frame. A code that re-sets means the underlying fault is still there.
Read the full diagnostic procedure
P0360 is the cylinder 10 ignition coil primary/secondary circuit fault — V10 engines only (Dodge Viper, Ford 6.8L Triton, BMW S85, Lamborghini, Audi R8/RS6). Cylinder 10 location: on Ford 6.8L V10 it's the rear cylinder of bank 2 (passenger side rear, against firewall — most heat-soaked position on the engine), on Dodge Viper V10 it's typically bank 2 rear in the 1-10 layout, on BMW S85 it's bank 2 rear. Cheapest-first diagnostic: swap the cylinder 10 coil with a known-good same-part-number coil from a front-bank position, clear codes, drive cycle. Code moves = coil replacement ($40-$300 depending on platform). Code stays = trigger wire ECM-to-coil under 0.5 ohms, B+ feed 12.0-12.6V static / 13.5-14.5V running, ground drop under 0.1V, scope trigger pulse. Rear-rear-bank cylinder 10 on a V10 is the worst thermal position on any production engine outside of forced-induction V8 rear cylinders — coil life here on Ford 6.8L V10 Super Duty trucks pulling fifth-wheels in summer can be under 80K miles. On BMW S85 and exotic V10s, single-coil P0360 on a high-mileage car should trigger full-set replacement plus the rod-bearing-inspection conversation on S85 specifically.
Vehicle-specific patterns
Vehicle-specific patterns: 2005-2010 Ford F-250/F-350/E-450 6.8L V10 cylinder 10 P0360 is the most-failed coil position on the V10 Triton — TSB 08-7-6 coil/boot kit applies, and on motorhome/E-Series chassis the access is brutal (doghouse removal). 2006-2010 BMW M5/M6 S85 5.0L V10 cylinder 10 P0360 — same batch-failure pattern as P0359, replace as a set, inspect rod bearings on high-mileage cars. 2008-2014 Audi R8 V10 / Lamborghini Gallardo cylinder 10 P0360 — full-set coil replacement standard, rear-clip access on R8. 2013-2024 Lamborghini Huracan / Audi R8 Gen 2 5.2L V10 cylinder 10 P0360 from updated Bosch coils — Huracan access requires removing the rear engine cover ($400-$800 labor). 2003-2017 Dodge Viper V10 cylinder 10 P0360 — Bosch coil aging on high-mileage Vipers, full set is the right call above 60K miles. Estimated repair: $40 (Ford 6.8L V10 single coil) to $6,500+ (BMW S85 full coil set + rod-bearing inspection + service work).
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