Gwm - Epc ((free))

(Electronic Parts Catalog) is a digital library used by Great Wall Motor (GWM) dealerships, independent workshops, and individuals to identify genuine spare parts and technical information for GWM models, including HAVAL, ORA, TANK, and WEY. www.gwm-eu.com Accessing the GWM EPC System Official access is typically managed through the

(Electronic Parts Catalog & Technical Information System) portal. Official Portal GWM Service System (gwm.com.cn) Registration Process Download the access form from the official GWM EU Service Information Fill out the form and email it to service@gwm-eu.com , specifying your desired service plan duration.

Pay for the requested plan to receive secure user access via email. Pricing (Example) : For European access, plans may range from €30/week for a basic account to €480/year GWM Service System Key Features & Functions VIN-Specific Search

: Enter a Vehicle Identification Number (VIN) to find the exact parts compatible with a specific vehicle. Interactive Diagrams gwm epc

: View zoomable, detailed 2D/3D technical diagrams to pinpoint the exact location of components. Maintenance & Repair

: Access maintenance manuals, technical values, and general repair descriptions. Shopping Cart

: Save selected part numbers to a list or shopping cart for efficient ordering from suppliers. GWM Service System Using the Software Search by Model (Electronic Parts Catalog) is a digital library used

: If you do not have a VIN, you can navigate the catalog by selecting the specific brand (e.g., HAVAL), model, and year. Navigation

: Use the "Main Group" and "Sub-Group" lists to drill down into specific systems like the engine, gearbox, chassis, or electrical systems. Part Details : Clicking a part in the diagram typically provides the Part Code/Number , and any relevant www.gwm-eu.com Alternative Versions For offline or older model support, some users utilize VMware-based EPC versions

(e.g., 2021.08) available through third-party automotive software retailers like Auto EPC Catalog EPCatalogs GWM Service System * Owner Manual. * Maintenance Manual. GWM Service System Service Information - EPC-TIS system | WEY Market destination (e.g.

5. Strategic Advantages of the EPC Model

5. Known Issues & Solutions (Field Data)

GWM Cannon (Poer) 2020-2022: EPC light appears intermittently when towing.
Root cause: Brake pedal switch plunger wear.
Fix: Replace with updated part (GWM #3550600XK08A).
Haval H6 (2nd gen): EPC light on cold start, disappears after restart.
Root cause: Throttle body sticky due to PVC oil vapor.
Fix: Clean throttle body and perform reset via scanner.
Ora Good Cat: EPC warning appears alongside "Parking brake fault".
Root cause: Low 12V auxiliary battery.
Fix: Charge or replace 12V battery (not the HV traction battery).

Preventive maintenance

Keep battery and charging system in good condition.
Regularly inspect engine bay connectors for corrosion and secure grounds.
Avoid cheap aftermarket electrical components that can introduce faults.
Promptly address intermittent warning lights — delaying can lead to safety and drivability issues.

2. System Overview

GWM uses EPC primarily as a throttle-by-wire control system. Key components:

Accelerator Pedal Position Sensor (APP): No mechanical cable; sends voltage signal to ECU.
Throttle Body with Position Sensor: Controls air intake via electric motor.
Brake Pedal Switch & Clutch Switch: Safety interlocks for cruise control and start systems.
Electronic Parking Brake (EPB) Integration: On models like Haval H6, GWM Cannon, the EPC monitors EPB release conditions.

The VIN Decoder Utility

Within the EPC suite, there is a standalone VIN decoder. Enter any GWM VIN to get:

Market destination (e.g., GCC vs. EU).
Paint code (e.g., D23 for Crystal Black).
Trim level (Comfort, Luxury, Ultra).