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Foxwell NT809: Throttle Relearn on Jeep

Quick answer: The Foxwell NT809 is listed as Supported for throttle relearn on 2 of the 4 Jeep vehicles we track, according to www.foxwelltech.us. Its cited price is $359 (checked 2026-10-16). The maker's menu wording is “TPS (service function)”, with software V1.49.001 or higher.

Jeep vehicles verified for throttle relearn

VehicleStatusFunction (maker's wording)Checked
2018+ Jeep Grand Cherokee✓ Supported“TPS (service function)” · V1.49.001 or higher
Checked for model year 2018; Foxwell NT809 service-function list, DODGE software, listed as WK-Grand Cherokee 2018; Foxwell names only the service category, not a sub-function
2026-10-17 · source ↗
2014-2023 Jeep Cherokee KL✓ Supported“TPS (service function)” · V1.49.001 or higher
Checked for model year 2014; Foxwell NT809 service-function list, DODGE software, listed as KL-Cherokee 2014; Foxwell names only the service category, not a sub-function
2026-10-17 · source ↗

Not yet verified for the Foxwell NT809 (2): 2018+ Jeep Wrangler JL, 2020+ Jeep Gladiator. Not yet verified is not the same as unsupported.

Other tools for Jeep throttle relearn

ToolJeep vehicles SupportedPrice
Autel MaxiCOM MK808S4$479
Autel MaxiCheck MX9004$559
Autel MaxiSys MS908S34not cited
Autel MaxiSys MS906 Pro4$1,569
TOPDON Phoenix Lite 24$799
Launch X-431 PRO4MSRP $1,364.07
XTOOL D84$419

Every verified tool for throttle relearn on Jeep, vehicle by vehicle →

Head-to-heads: Autel MaxiCOM MK808S vs Foxwell NT809 (2018+ Jeep Grand Cherokee) · Autel MaxiSys MS906 Pro vs Foxwell NT809 (2018+ Jeep Grand Cherokee) · Foxwell NT809 vs TOPDON Phoenix Lite 2 (2018+ Jeep Grand Cherokee) · Foxwell NT809 vs Launch X-431 PRO (2018+ Jeep Grand Cherokee) · Foxwell NT809 vs TOPDON Phoenix Lite 2 (2014-2023 Jeep Cherokee KL) · Foxwell NT809 vs Launch X-431 PRO (2014-2023 Jeep Cherokee KL)

What throttle relearn involves

Having the engine computer relearn closed-throttle position and idle airflow after the throttle body is cleaned or replaced, or the computer is reset.

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FAQ

Can the Foxwell NT809 do throttle relearn on Jeep vehicles?

Yes on 2018+ Jeep Grand Cherokee, 2014-2023 Jeep Cherokee KL (maker coverage list, software V1.49.001 or higher). Not yet verified on 2018+ Jeep Wrangler JL, 2020+ Jeep Gladiator.

What is throttle relearn called in the Foxwell NT809 menu?

“TPS (service function)”.

Which other tools do throttle relearn on Jeep?

Autel MaxiCOM MK808S (4 Supported), Autel MaxiCheck MX900 (4 Supported), Autel MaxiSys MS908S3 (4 Supported), Autel MaxiSys MS906 Pro (4 Supported), TOPDON Phoenix Lite 2 (4 Supported).

More Foxwell NT809 jobs on Jeep: Injector Coding · Steering Angle Calibration

Foxwell NT809 throttle relearn on other makes: Ford

Full Foxwell NT809 coverage grid →

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