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Dtc p2226 need to know where to start to fix problem and get the engine light off.

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I have a passkey 3 on my 2002 cadillac deville and the security system is not letting my car start or crank does anyone know how to fix this problem i'm having without me having to take it to a dealer


You need a capable scan tool to check DTC'S - diagnostic trouble code's .
DTC B2734
DTC B2960
DTC B3031
DTC B3055
DTC P1630
DTC P1631

These would tell why the PCM - engine computer isn't starting the vehicle . There is no by-pass for this anti-theft system . The Dealer is your only hope . Nothing you can do !
The theft deterrent control module produces the theft deterrent fuel and starter enable signal when ignition is ON and the proper transponder key value is detected. The powertrain control module (PCM) monitors the fuel and starter enable signal during crank. If the proper signal is present on the Class 2 Serial Data Circuit, the PCM enables the fuel delivery and starter operation in order to allow the engine to start. If the PCM detects an incorrect password, vehicle theft deterrent (VTD) system failure or attempted vehicle theft, DTC P1631 is set. The engine will not start or crank as long as the condition is present.

Sep 20, 2017 | Cadillac Cars & Trucks

1 Answer

Thinking 99 Chevy Astro van security light on solid band starts with cuts down is there anyway to bypass security without spending a lot of money


If the light is on there are code stored ! Not in the PCM/ECM engine computer . In the BCM , do you know what that is ? body control module ! Need a factory scan tool or equivalent to check !
DTC B0688 Security System Indicator Circuit High
DTC B2947 Security System Sensor Power CKT Low
DTC B2948 Security System Sensor Power CKT High
DTC B2957 Security System Sensor Data Circuit Low
DTC B2958 Security System Sensor Data Circuit High
DTC B2960 Sec Sys Sensor Data Incorrect but Valid
DTC B3031 Security System Controller in Learn Mode
DTC B3033 Security System Indicates Tamper
DTC C0559 EEPROM Checksum Error
Why does everyone want to chop up things , by pass etc... The right fix could be cheaper then ruining your vehicle . Chopping up wiring harnesses . Their are by pass module , don't know how much they are . It may or may not fix the problem . Pulling the code and doing the diagnostics is still the best solution .

Jan 07, 2017 | 1999 Chevrolet Astro

1 Answer

95 sl500 check engine light reset and comes back on after it sits over night. any idea?


What code is it throwing ? Some codes are what are called two trip codes ! You clear the codes an start an drive the vehicle ,no check engine light . Park the vehicle over night an bam next time you start an drive the vehicle the check engine light comes back on .

??There are two types of DTC's, 1 trip DTC's and 2

trip DTC's

??A 1 trip DTC is for a condition that requires

immediate attention such as a catalyst damaging

misfire.

??A 2 Trip DTC is one that a condition must be found

during 2 consecutive trips such as an EGR fault.

??Most Monitors do not set a DTC and light the MIL

when a vehicle fails a test for the first time during a

DRIVE CYCLE. If a test is failed on a second

consecutive DRIVE CYCLE the MIL will light and a

DTC is stored in the vehicles powertrain control
module (PCM).

Feb 07, 2016 | Cars & Trucks

2 Answers

My 99 Chevy Blazer has auto 4 wheel drive. When I went out and started it the other morning all the 4 wheel drive lights were on and check engine light. Transmission would not work. When I pulled the...


Do you know what DTC'S - diagnostic trouble codes are ? Your best bet have it diagnosed by someone who has a diagnostic tool that can read these type codes . The light's on , codes are stored . 4X4 control module . Could be any number of thing's , you prepaired to by a bunch of parts till it's fixed ? Maybe !!!!!
DTC B2725 ATC Mode Switch Circuit Malfunction
DTC C0300 Rear Speed Sensor Malfunction
DTC C0305 Front Speed Sensor Malfunction
DTC C0308 Motor A/B Circuit Low
DTC C0309 Motor A/B Circuit High
DTC C0310 Motor A/B Circuit Open
DTC C0315 Motor Ground Circuit Open
DTC C0323 T-Case Lock Circuit Low
DTC C0324 T-Case Lock Circuit High
DTC C0327 Encoder Circuit Malfunction
DTC C0362 4LO Discrete Output Circuit High
DTC C0367 Front Axle Control Circuit High
DTC C0374 General System Malfunction
DTC C0376 Front/Rear Shaft Speed Mismatch
DTC C0387 Unable to Perform Shift
DTC C0550 ECU Malfunction
DTC C0611 VIN Information Error

The 4X4 switch is input to the transfer case control module . The transfer case control module controls the transfer case encoder motor . Then there is the front drive axle clutch solenoid an front axle switch etc .. etc... etc...

Sep 20, 2017 | 1999 Chevrolet Blazer

1 Answer

Have ford s-max with dtc code F00616 what does if mean?


It is a common misconception that the instrument cluster self test gives DTC's for the engine management system, it provides cluster related DTC's on test 10 of the cluster self test, DTC should be displayed above the code, these will be displayed at 1 second intervals, once you press OK again the cluster will scroll to the next test, the format of the codes shown in the cluster is designed for Ford engineering and can only be translated into usable codes by Ford IDS.

The only way to find out why the engine management light is on is to have a scan of the engine management control module carried out using an appropriate code reader, this will give you the standard EOBD codes for example a catalyst efficiency code would show P0420. If you want to do this on a DIY basis then cheap code readers are available on the internet for around $75.00, these code readers also reset the light after the fault has been fixed. if this was helpful please leave me good feedback

Apr 06, 2013 | Ford Cars & Trucks

1 Answer

2002 chevy malibu...can i get a remote starter to by pass the anti theft system


What makes you think this is a anti-theft system problem ? Is the security light lit on the insturment cluster ? When you turn the key to start does the starter spin the engine ? Crank no start ! Or when you turn the key to the start position the starter does nothing . No crank no start . A aftermarket remote start won't by pass anti-theft system . Your best bet would be to take to a qualified repair shop and have it checked for DTC'S - diagnostic trouble codes . Before you let someone start hacking up wiring circuits .
DTC B2947
DTC B2948
DTC B2957
DTC B2958
DTC B2960
DTC B3031
DTC B3033
DTC P1626
DTC P1630
DTC P1631
DTC P1632

Do you know what DTC'S are , these would point to an area of trouble an to a fix .

Aug 21, 2017 | Cars & Trucks

1 Answer

2000 volkswagon beetle epc sensor light on car will not start.... trying but will not turn over. is there any way to get it started...stranded


First of all you need to access the Engine Control Module (ECM) using suitable diagnostic equipment (VAS, VAG-Com, or similar) connected to the data link connector of the car, in order to pull out all DTC's memored. DTC = Diagnostic Trouble Code. Then you will bu full informed about the root cause of the problem, and you will be able to repair & replace bad pieces and reset the ECM. Then the EPC (Electronic Pedal Control) yellow light will turn OFF.
The check engine light (MIL = Malfunction Indicator Lamp):
tdisline_743.jpg


The check engine light & EPC light:
tdisline_744.jpg

Let me know please about found DTC's. I will assist you kindly to fix the problem.

Aug 25, 2011 | 2000 Volkswagen Beetle

1 Answer

2000 vw beetle mil light is on


First of all you need to access the Engine Control Module (ECM) using suitable diagnostic equipment (VAS, VAG-Com, or similar) connected to the data link connector of the car, in order to pull out all DTC's memored. DTC = Diagnostic Trouble Code. Then you will bu full informed about the root cause of the problem, and you will be able to repair & replace bad pieces and reset the ECM. Then the check engine yellow light will turn OFF.
The check engine light (MIL = Malfunction Indicator Lamp):
tdisline_743.jpg

Let me know please about found DTC's. I will assist you kindly to fix the problem.

Aug 25, 2011 | 2000 Volkswagen Beetle

1 Answer

DTC shows up on computer at auto zone as a bad code and i dont know what DTC means so i cant fix it if i dont know what it means so my question to you is what in the world does DTC mean ? Im working on a...


DTC stands for Diagnostic Trouble Code. My question is why did you have the vehicle checked out in the first place? Is the check engine light on? What was the code number and did it start with P0 or P1. If you don't remember then have the code(s) cleared and operate the vehicle until the code(s) reappear. The code or codes can help you to determine where to start looking.

May 14, 2011 | Chevrolet C3500 Cars & Trucks

1 Answer

Orange light staying on looks like a tap or engine symbol


This light has various names depending on the manufacturer. Some call it the "check engine light". Others call it the MIL or "malfunction indicating lamp". The main purpose of the light is to let you know that a problem (or problems) has been detected by one or more of the engine computer's sensors OR that one or more of the sensors are no longer working. In either case, the computer sets a diagnostic trouble code or DTC for the problem and continues monitoring. The goal is for you to be aware of a problem and have it fixed before it gets worse and causes engine damage, poor gas mileage, and/or increased emissions.

It is not a good idea to ignore this light. Fortunately, most auto parts stores will hook up a tool and read out your DTC's for free. Once you have a DTC, you can use it as a start for diagnosis of your problem. You can also use the code to confirm what your mechanic is telling you.

Jan 19, 2011 | Toyota Celica Cars & Trucks

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