There is a malfunction in consumer gmc envoy power train control module resulting in failure to accelerate. *ts
2004 GMC Envoy transmission complaints
Page 2 of 2: complaints 11 to 15 of 15, newest first, as owners wrote them.
2004 gmc envoy developed the following problems: vehicle stalled, turn signals stopped working, blower fan stopped working, and the SRS light remains lit.*mr the turn siganls stopped working due to a short in the flasher. The powertrain control module was replaced due to the ses light iluminating. The blower motor fan failed 4 times due to a short in the wires and control head. The vehicle overheated, but the problem could not be diagnosed. The lcd displays, knobs become extremly hot after hours of driving.
When contact comes to a yield sign transmission jerks before going into gear. Later he was told this was a brake problem. When approaching a hill/downhill and applying brakes they lock and car slides.*ak dozens of times check brake, service 4 wheel drive lights have come on. Contact has taken vehicle to dealer over 12 times since it has been purchased. Due service lights, brakes and transmission. Consistently told by dealer that nothing is wrong. But dealer aknowledges check brake lights have come on. Dealer states that if computer diagnostic does not produce an error code, then there is nothing they can do.
1. Engine will shut off when making a hard turn: after stopped at a stop sign, I was trying to make a hard turn (steering wheel reached the maximum turning angle) when the engine suddenly shut off itself. It happened three times either tuning left or right (today), but always after stopping and with a hard turning angle. It is such a huge safety defect with all the cars infront and behind you. No repair action has been taken. The problem may be reproduced. 2. Turning signals not working after emergency lights used: it happened two times. Turning signal lights (left or right) will not work correctly after the emergency lights were in use; instead both left and right turning lights will flash at the same time. It can be reproduced. No repair action taken yet. 3. Difficult turning at a hard turn with 4-wheel-drive is on: it is almost impossible to make a hard turn when the 4-whell-drive is on. It happens every time. No repair action taken yet.
Service 4wd light came one with 2500 miles on new 2004 gmc envoy. Replaced actuator, then a control module on transfer case. Was told neither fixed the problem. Now told the transfer case must be replaced.
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