Did you know that the GWM Poer (P-Series) shares suspension components with the Tank 300 in some markets, but not others? The EPC clarifies these obscure relationships.
| Symptom | Most Likely Cause | Affected Models | |---------|------------------|------------------| | EPC light ON, rough idle, reduced power | Carbon buildup on throttle plate or faulty throttle position sensor | Haval H6 (1.5T GW4G15), Jolion | | EPC + Engine light, no acceleration | Brake pedal switch stuck/short circuit (two signals conflict) | GWM Cannon Ute, Poer | | EPC light flashes, EPB auto-engage | Low system voltage (<11V) or CAN bus interference | Ora Good Cat, Haval F7 | | Light ON, no start (push-button) | Clutch position sensor (manual) or brake switch (auto) not detected | GWM Steed, Wingle | gwm epc
Use a scanner compatible with GWM (e.g., X431, Launch, or GWM diagnostic tool). Common codes: Did you know that the GWM Poer (P-Series)
| DTC | Description | Fix | |-----|-------------|-----| | P2138 | APP sensor correlation error | Replace pedal assembly | | P0122 | Throttle position sensor circuit low | Clean or replace throttle body | | P0571 | Brake switch circuit malfunction | Adjust or replace switch | | U0100 | Lost communication with ECM/TCU | Check CAN wiring, ground points | Common codes: | DTC | Description | Fix
GWM uses EPC primarily as a throttle-by-wire control system. Key components: