Jeep Cherokee 6.4 V8 SRT8 477 hp — Stage 1 file (+23 hp)
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Stage 1 file for Jeep Cherokee 6.4 V8 SRT8 477 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Jeep Cherokee 6.4 V8 SRT8 477 hp ECU
Jeep Cherokee (2010) 6.4 V8 SRT8 477 hp — mass-market petrol engine of the passenger segment of the Stellantis group (США, 1941). Stage 1 chip tuning raises power from 477 to 500 hp (+23 hp, +5%) and torque from 637 to 668 Nm (+31 Nm). This engine ships with different ECU variants: Siemens/Continental GPEC2, Siemens/Continental GPEC2A. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. The ZF 8HP70 TCU is calibrated with a separate file — torque limiter and shift maps for Stage 1. In the CHIPOK database: 3 configurations · 3 ECU variants. A petrol engine built in 2010 — a Tricore platform without strong protection; OBD access works.
Trail Rated is Jeep's signature certification for off-road capability. The Jeep range comprises the Wrangler, Cherokee, Grand Cherokee, Compass, Renegade, Gladiator and Avenger. Jeep shares platforms and engines with Dodge, Chrysler and Ram. The Jeep Trackhawk is the flagship, powered by the Hellcat-family supercharged Hemi V8. Jeep's petrol range comprises the Pentastar V6, the Hemi V8 and turbo four-cylinders. The Trackhawk and SRT have significant potential with supporting hardware.
With supporting hardware, the Trackhawk confidently reaches Stage 2. The Jeep community in the US offers a large pool of ready-made Stage files for off-road use. In Europe the Jeep community is growing thanks to the diesel versions. Top-tier Jeep Trackhawk/SRT engines sit at the power ceiling of American SUVs; the gain is significant.
Aisin transmissions feature on the compact crossovers. Jeep uses the ZF 8HP on premium models. The Trackhawk and SRT come with a reinforced ZF 8HP.
Frequently asked questions
What power gain do you get after chip tuning the Jeep Cherokee 6.4 V8 SRT8 477 hp?
Stage 1 chip tuning on the Jeep Cherokee 6.4 V8 SRT8 477 hp boosts engine output by 23 hp: from 477 to 500 hp. Torque rises from 637 to 668 Nm (+31 Nm).
What changes in the Jeep Cherokee ECU after Stage 1?
Stage 1 is a software optimization of the factory ECU firmware of the Jeep Cherokee with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +23 hp with no hardware changes.
Does Stage 1 make sense on the Jeep Cherokee 6.4 V8 SRT8 477 hp with this much power?
On the top-spec Jeep Cherokee 6.4 V8 SRT8 477 hp engine, Stage 1 is the starting point before Stage 2 with a downpipe, intake and a larger intercooler. The mass-market factory calibration leaves substantial headroom for an aggressive software tune.
What is Stage 2 for the Jeep Cherokee 6.4 V8 SRT8 477 hp?
Stage 2 for the Jeep Cherokee 6.4 V8 SRT8 477 hp is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.
Which control units is the Jeep Cherokee 6.4 V8 SRT8 477 hp built with?
The Jeep Cherokee 6.4 V8 SRT8 477 hp comes with 2 ECU variants: Siemens/Continental GPEC2, Siemens/Continental GPEC2A. Calibration is done for the specific unit after the revision is identified.
What does remapping the ZF 8HP70 gearbox give on the Jeep Cherokee 6.4 V8 SRT8 477 hp?
The ZF 8HP70 TCU is calibrated separately: the torque limit is raised, the shift maps are optimized for the Stage 1 characteristics, and launch control is re-tuned. The TCU file is flashed separately from the ECU.
Does the factory warranty of the Jeep Cherokee remain valid after Stage 1?
After remapping the Jeep Cherokee, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.
How long is the wait for a Stage 1 remap for the Jeep Cherokee?
Reading and writing via OBD takes 25-30 minutes on the Jeep Cherokee. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.
How do you roll back to the factory firmware of the Jeep Cherokee?
Before Stage 1 the original of the Jeep Cherokee 6.4 V8 SRT8 477 hp is read out and saved — returning to the factory state is possible at any time.
How much does chip tuning the Jeep Cherokee 6.4 V8 SRT8 477 hp cost?
The remap price for the Jeep Cherokee 6.4 V8 SRT8 477 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.