Pontiac Grand Prix Headlights Problem- Codes P0341 and P0122

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2007 Pontiac Grand Prix. 3.8 V6.
Question: I am having difficulty getting my headlights to turn on when I unlock the car. My parking lights and tail lights turn on but not the headlights. I have programmed the external lights to come on for 30 seconds and even tried resetting it to off and then back on, but still nothing. Please help!

Answer:
You should be able to set that up in the personalization section of the Driver Information Center (DIC). Your owners manual would have detailed instruction on how to do that. If they still aren't coming on when you want them to and you're sure the setting is correct you could possibly have a Body Control Module problem. This is what controls most of the vehicle lighting among other things.

You would need the car checked to see if there are any stored codes in the system. The headlights are automatic on your car, but that shouldn't have any affect on the personalization aspect. We don't see it often but there have problems with the DIC before on your style vehicle, but again it would need to be checked out at a dealer. I would not just go ahead and replace it.

2001 Pontiac Grand Prix 3.4L Check engine light codes P0341 and P0122 once. Replaced new fuel filter, body clean mass air flow (MAF) sensor and air filter. Cleaned spark plug, gaps were .080 in. Engine idles rough and has a flat spot on acceleration. With scanner hooked and checking TPS sensor I don't get a voltage reading for a split second when snap-throttling. Is that a normal condition?

Answer:
That depends on how good your diagnostic scanner is. The expensive scanners will pick up that quick throttle sensor signal display change but a cheap one will not. The cheaper ones do not have the speed to see it. You need to slowly push on the gas pedal and watch the sensor data to check it for proper function. You can also wiggle and tug on the wires while doing this to see if you can cause the drop off signal.

Code P0341 is for the camshaft position sensor so I would not even worry about the TPS problem at this time. You need to get the trouble codes fixed first then re-evaluate. You can check the wires on it though. The Cam sensor has a common problem that the wires going into the top of it get full of oil and then swell up and cause the sensor signal to fail. On the 3400 engine, it is located behind and below the power steering pump. One bolt holds it in.

It can be a little hard to see. You need to remove the pump to replace it then clear the codes and see if that takes care of your hesitation.