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What causes the diagnostic code P1603 to show up during a scan

The vehicle starts check light goes off the vehicle does not move it dies down when in drive did a scan and dtcP1603 comes up

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Posted on Jan 02, 2017

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SOURCE: Check engine light comes on and stays on until vehicle is turned

does sound like your coil pack is failing. be that as it may if you live in the states stop in at autozone... they will scan the codes for free and that should narrow down what the problem is.

Posted on Apr 15, 2009

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SOURCE: My 2004 Mitsubishi Montero battery

Sounds like your alternator is not charging your battery.

Posted on Nov 17, 2010

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My 04 Chevy Monte Carlo Has a check engine Light on..I place it on The Obd2 ..But No codes are showing...What could it be.. I thought maybe start with the Plugs..

Start with a proper diagnostic scan using a quality scan tool. Cheap scan tools may not communicate with the various modules in the vehicle and therefore will not display a code. Don't toss parts unnecessarily at the vehicle until you properly scan and retrieve the stored codes and then repair from there

May 27, 2016 | Cars & Trucks

1 Answer

My vauxhall frontera v6 3.2 started to switch off while driving. it also shows the abs light all the time what could be the problem?

1. The ABS light is showing because there is a problem with the anti lock braking system and the system has been shut down. Until the problem is identified and fixed the warning light will continue.
The vehicle needs to be scanned with the correct scan equipment for ABS systems to identify the fault codes that are being generated. It may be that
one or more of the sensors has failed and need replacing. The scan will identify that.

2. As with 1 above, the cut out problem also requires your car to be scanned for fault codes relating to the engine operation. Until the vehicle is properly scanned, the fault codes determined and their cause identified, you will be very much operating in the dark.

Your dealer has all the correct and latest diagnostic equipment where others may not so I suggest you take the car to your dealer and have it analysed. It may be just one issue or more than one.

Nov 20, 2015 | Vauxhall Cars & Trucks

1 Answer

I have a 2001 Kia Spectra with the check engine light on. Sometimes it goes off. I took to get smog checked and the tech did a free diagnostic check and it said, Main Catalyst Efficiency Below Threshold...

Go to Autozone,have them scan your vehicle,it's free and it will display a trouble code and you can show it here and you can get a quick solution.You can purchase a scan tool at walmart.

Oct 13, 2012 | Cars & Trucks

3 Answers

1992 Oldsmobile cutlass ciera s 3.3 liter V6. While driving or idle in park, the idle kicks up high and the check engine light comes on. This symptom is not constant. It comes and goes sporadically. After...

Have you read out the diagnostic trouble codes? Since the check engine light has come on, there should be one or more stored diagnostic codes. Since your 1992 is before OBD-II became the standard (in the US at least) you'll need to do either the wire/paper clip method or find someone with an OBD-I scan tool for GM products.

Jun 03, 2017 | 1992 Oldsmobile Cutlass Ciera

2 Answers

I need help in diagnosing the problem WHat to DO?

the scan tool is not being connected correctly as there is a report if the engine light is on
take the vehicle and your scan tool to an accredited service center and have them pug it in to the DCL terminal and see if you are connecting it right
read the fault codes and go from there

Apr 25, 2017 | 1993 Lexus SC 400

1 Answer

2003 jaguar x-type 2.5 p1111,p1603,p1796

My jaguar gearbox light has came up some one help please

Sep 24, 2012 | 2003 Jaguar X-Type

1 Answer

Daewoo Lanos check engine light stays on but no codes coming up. Is there a way to reset?

I suggest scanned the computer in order to know fault codes stored there, soud like a EVAp or Emissions failing.

If the Check Engine Light comes on in the city but goes off on the freeway, then the fault is present during city driving conditions. Pay attention to whether or not the vehicle runs or drives any differently when the Check Engine Light illuminates. If vehicle performance does change, drive the car as little as possible and take it to be checked by a service professional as soon as possible. If there is no change in vehicle performance, you can drive home, but have it inspected as soon as possible. In this condition, you run a risk of the vehicle dying or not starting.

* The Check Engine Light comes on and stays on.
If the Check Engine Light illuminates constantly during driving with no noticeable driving or performance problems, there is a permanent fault in the emission control system. When this happens, the computer that controls the emission system usually has a backup program that runs while the fault is present. (These backup programs are often referred to as "limp home" mode programs.) You should get the vehicle serviced as soon as possible, but in most cases, the vehicle will continue to operate, though you run a risk of it dying or not starting.

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

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Jun 27, 2012 | 2000 Daewoo Lanos

5 Answers


this is an obd2 trouble code table ,it can help you understand the meaning of code.

Aug 08, 2011 | Toyota Yaris Cars & Trucks

2 Answers

How do you reset the service engine light?

Locate the diagnostic connector. On the 1997 Nissan Maxima the connector is located in the OBD2 standardized location under the driver-side dash, slightly to the right of the steering column. With the ignition key in the "OFF" position, plug the connector of the scan tool into the diagnostic connector of the car. Turn the ignition key to the run position but do not start the engine unless instructed to by the scan tool.

Turn the scan tool on and select "Global OBD2" from the main menu. Select "Diagnostic Trouble Codes" from the first sub-menu, and then "Read Trouble Codes" from the second sub-menu. Write down all listed codes and their descriptions before erasing them. This will save time if you must perform additional diagnostics.

Press the back button on the scan tool until the second sub-menu is displayed, and select "Erase Codes" or "Clear Codes," depending on the manufacturer of the scan tool. A message will appear asking you to confirm your desire to erase the codes and other stored data. Select "Yes". The scan tool will alert you when the codes have been erased.

Test drive the vehicle to verify the repair is complete. The 1997 Nissan Maxima on-board computer will run a series of tests on the systems in the vehicle, including emission control devices. To complete these tests you must take two test drives that include a variety of driving conditions, with a 2-minute cool-down between each test drive. If the service engine soon light does not come back on during these two test drives, you have completed the repairs and the reset.

Oct 25, 2010 | 1997 Nissan Maxima

3 Answers

Car oil light came on then the car died when i was on the expressway.pulled over and tried to start the car and was very hard to start and now the engine has only 50% power.

Your engine is shot after overheating after the oil pressure dropped

At the best it need a rebuild

At the worst a short engine

Jan 26, 2010 | 2001 Saab 9-3

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