I just had this Problem and my wire for my ABS light was ripped out on the right side.
It was the IAt sensor.
I have the same issues the only difference is. I have abs,trac off, service vehicle soon and check
engine. The car wont start if when i turn key to on position the check engine lite dont come. So i
play with key and gas peddle and it comes on then car starts. Has any one seen this before
Since playing with the key will get it to work sometimes, I'd say
you have a faulty ignition switch. Your vehicle may actually
have a manufacturer recall about ignition problems that you
check out at your local GM dealer. They can run your VIN and
tell you if there are any open campaigns for your vehicle.
I got a 2002 Grand Am SE 2.2 Ecotec and have the same  problems i ready fix. It i buy a new
intake temperature sensor and. The problem. Gone. And the trac off you need check the wires
or the sensor placed behind the rotor maybe Its unplugged or don't work i did it and my problems
done you don't  have to erase the trouble code those gone itself.
2001 Pontiac Grand AM Se Service Engine Soon, TRAC OFF codes P0113.
Question: I've just gotten my code from Autozone, and it said that i had to change/repair my intake
air temp. Circuit, which i did. I connected everything back in place, so, i cleared the code, and my
SES light is still on. Is there something wrong with the SES light, or is it something with the intake air
temp.? What is the TRAC OFF warning light, and what must i do to clear the light? Finally, when I
am driving, around 25 mph, and 35-40 mph my car jolts real quick and continues to drive,it worries
me if something is wrong with the transmission, is there anyway i can tell whats wrong with it or is
this common and what can i do?

If replacing the sensor did not fix the p0113 codes, then the other common cause for this code is a
problem in/at the connector of the IAT sensor. Either the wire(s) have broken inside the connector
at the terminal, or the copper wire inside the insulation(colored exterior of wire) has broken.
Disconnect the connector, and pull on each wire to see if it pulls out of connector, or starts to
stretch. When the copper wire breaks inside the insulation, the insulation will stretch. It will be quite
obvious. Don't pull real hard, as that may cause a good wire to break. There is actually a bulletin for
replacing the connector with a GM service kit. The part # for that kit is 12102620. It is a connector
with wire leads.

The TRAC OFF light comes on for many reasons. That light can come on for many CHECK
ENGINE LIGHT codes. When the computer sees a problem with most of the engine control systems,
it cannot properly control the Traction system, so it shuts it off. Dont think Autozone has the ability
to scan the Anti-lock brake module to read Traction codes. After checking/repairing the IAT
connector, clear codes with scanner, or disconnect battery for a few minutes. If only TRAC light
comes back on, you will have to get the ABS computer scanned.

The problem at the speed you described may be related to the above conditions, or it could be a
transmission problem. Suggest getting those dash lights to be repaired first. If still this driving
problem at the speeds you described, would suggest having a trans. Repair facility go for a test
drive to determine if in fact it is in the trans. If so, then a fluid and filter change may help, and the
person doing the filter can look in the bottom of the pan for signs of debre. If you need more help,
just let me know, JK

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2001 Grand Am Code P0113 Temp Sensor- TRAC Off Light