Loss of power, flashing D4 light and hard shift
12-31-2014, 10:06 AM
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Loss of power, flashing D4 light and hard shift
Yesterday, during the cold weather. I noticed that the car has a flashing "D4", after a few minutes drive. The light only flashes for D4. I noticed that the automatic transmission was having a problem moving from 1st to 2nd and the power in 1st was not there, I needed to give it a lot more gas and the shift was jerky. When the car was warmed up everything was OK, and the flashing light stopped. I saw the check engine light and just read the codes.
P1457 : Gas canister..
P0420 : Catalyst System Efficiency Below Threshold Bank 1
P0730 : Faulty Shift Control System
P0780 : Faulty Shift Control System
The transmission fluid is at the max level. What do should I replaced or looked at to ditermine the cause? a solenoid ot o2 sensor?
P1457 : Gas canister..
P0420 : Catalyst System Efficiency Below Threshold Bank 1
P0730 : Faulty Shift Control System
P0780 : Faulty Shift Control System
The transmission fluid is at the max level. What do should I replaced or looked at to ditermine the cause? a solenoid ot o2 sensor?
Last edited by Medmanit; 12-31-2014 at 01:52 PM. Reason: added more details
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