2001 Hyundai Accent


jilly jill

March, 4, 2009 AT 3:15 PM

Computer problem
2001 Hyundai Accent 4 cyl Front Wheel Drive Automatic 63,000 miles

i got diagnostic done on my car but they did not know what the code meant. Maybe you can help. It says OEM Number to Cross: P1402
In the troubleshooting area it says: DMTL Motor-Power stage fault

Can you help me?


1 Answer



March, 20, 2009 AT 11:40 PM

This is off Hyundai Service Procedure

The diagnosis module comprises an electromechanically driven pump together with a change-over valve and heater.
The engine management system measures the pump's electrical current consumption while pumping air into the canister and fuel tank to check the system's leakage.
If the electrical current consumption is over the threshold value specified before in the memory, this means that there is a tank-system leak.

2. DM-TL operating conditions.
(1) DM-TL monitoring operation starts only after all the conditions below are met.
A. Vehicle soaking over 4 hours and 30 minutes.
B. Engine coolant temperature over 2.3 C (36.14 F) when starting.
C. Ambient temperature between 1.5 C (34.7 F) and 40.5 C (104.9 F).
D. 6.4 or more gasoline in the fuel tank.
E. Over 20 minutes driving after starting.
F. During Air Bag is not working.

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