Auto-tune technology: Automatically refines air-fuel ratio for optimal performance and rideability
Adjustable tuning software: Allows live monitoring, recording, and examination of diagnostic data and logs
Barometric compensation: Built-in sensor accounts for altitude and ambient air pressure changes
ThunderMax 309-562 ECM for 2014–2016 Touring® Models For EFI-equipped 2014–2016 Harley-Davidson® Touring models.
Replace your factory engine control module with ThunderMax EFI management and AutoTune technology. The 309-562 combines a replacement ECM with wide-band oxygen sensors to monitor exhaust oxygen and adjust fueling as you ride.
H
Compatibility
2014-2016 Harley Davidson touring models with EFI systems
Included components
Thundermax ECM, two wideband O2 sensors, plug-in harness, USB communication cable, software, instructions
O2 sensor type
18 mm wideband oxygen sensors
Installation
No wire cutting required, fits existing wiring harness
Data logging
Monitors engine information and records operating data
Map support
Multiple maps available for various engine, exhaust, and cam configurations
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7 ratings
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Kenneth · May 12, 2026
Can't use on stock head pipes and it's a 15% restock fee to return it.