U1676 Smart Auto Trouble Code
Parts or components should not be replaced with reference to only a U1676 Smart DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.
When you fill your car with gas, the vapors in the tank get forced into a canister filled with activated charcoal. Also, on a hot day as the gas heats up and vaporizes, those same vapors push into the canister where they're stored. But the charcoal can only hold so much vapor. At some point it has to be emptied. The emptying process is called canister purge.
U1676 Smart Possible Solution:
Air Conditioning Pressure Sensor (ACP) Insufficient Pressure Change Each time the A/C clutch engages, the PCM is looking for a pressure change in the refrigerant. If the change in pressure is outside of the calibration the DTC will set. A/C system mechanical failure Open ACP or VREF circuit A/C sensor damaged A/C system electrical failure A/C clutch always engaged Verify A/C system function, including refrigerant charge.
U1676 Smart Description For All Models :
- Smart Brabus
- Smart Cabrio
- Smart City
- Smart Coupe
- Smart Crossblade
- Smart Forfour
- Smart Fortwo
- Smart Fortwo I
- Smart Fortwo Ii
- Smart Fortwo Iii
- Smart Roadster
- Smart Ultimate
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U1676 Smart Trouble Repair :
U1676 Smart code shows that location the body harness connector, located in and around the left hand kick panel area or inside the IP (consult a shop manual for location). Water can leak into the connector from clogged sunroof drains, A-pillar leaks, or windshield or cowling leaks. |
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