The LAUNCH X431 series diagnostic tools support 37+ special functions, including “Reset Angle Offset”: This function needs to be performed for reset when the vehicle is replaced with a BSM or EPS ECU. This article will take FIAT vehicles as an example (SGW needs to be unlocked) to introduce how to operate.
Supported Products: Launch PRO or PAD series comprehensive diagnostic equipment.
X431 PRO series:
X431 PROS V / X431 V+ / X431 PRO ELITE / Pros Elite / X431 V / PRO3 V+ Elite
X431 PRO3S+ / Pro3 ACE / Pro3 APEX / X431 PRO5
X431 PAD series products:
X431 PAD V ELITE / X431 PAD VII ELITE
The equipment used in this article: LAUNCH X431 PAD V ELITE
Tested model: 2023 – Fiat – Fastback. VIN: 9BD376A31PYB*****
Note: Diagnosing 2019 and later FIAT vehicles requires unlock the SGW, so an FCA account is required. For more information, please see this article:
How to Unlock the FCA SGW by LAUNCH Diagnostic Tool
Operation process:
1. On a X431 PAD V ELITE, choose [Local Diagnose] and then [FIAT] to test.
2. Choose [Automatically Search] to identify car models automatically. After the car model is successfully identified, choose OK.
3. Choose [Yes] to unlock the SGW.
4. Choose [North America] for the region.
5. Input the login user name and password, and click OK. Unlocking is successful.
6. Click [Smart Detection] to scan the entire vehicle systems.
7. Click [ABS (Anti-Lock Braking System)] to access the system.
8. Choose [Special Function].
9.Choose [Misc Function].
10.Choose [Reset Angle Offset], and click OK. Program execution is completed.
