Version 1.
Version 1.
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
Average gain of 40 horsepower and 68 lb-ft of torque
Average gain of 24 horsepower and 43 lb-ft of torque
Get access to even more vehicle data using PROLINK+ to wire in up to 2x analog signals and 1x CAN bus signal. Compatible with MPVI2+ and MPVI3 interfaces.
For use with HP Tuners MPVI2+ and MPVI3 interfaces only.
This product was last offered at the strikethrough price on
05-12-2026
Average gain of 40 horsepower and 68 lb-ft of torque
This product is only eligible for Chip & Ship. Not available for drive-in flashing.
Boost gauge or VCDS logging recommended to monitor boost creep
Average gain of 24 horsepower and 43 lb-ft of torque
Upgrade any tune with Dynamic Idle, Idle RPM change, Glow plug duration increase, or all the above
Only to be purchased individually
Upgrade any tune with Immobilizer Delete
Only to be purchased in conjunction with another tune
For vehicles from 2004 model year only
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-19-2026
Standalone tune for Dynamic Idle, Idle RPM change, Left-foot-brake fix, Glow plug duration increase, P0128 fix, Cruise Control fix or all the above
Only to be purchased individually
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail.
Gain up to 35 horsepower and 58 lb-ft of torque
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Upgrade any tune with Dynamic Idle, Idle RPM change, Glow plug duration increase, or all the above
Only to be purchased in conjunction with another tune
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-19-2026