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What does error code p1602 on diagnosis imply???? please help

My TD4 engine has failed to start, when diagnosed it gave "Security" as the error with error code p1602. what does this stand for and how can i solve it. MK

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6ya6ya
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Posted on Jan 02, 2017

TwinTurboZ
  • 78 Answers

SOURCE: non start,self diagnosis on the control unit code 21 no ign signal

Distributor is at fault

Posted on May 21, 2009

  • 104 Answers

SOURCE: p0300 engine would not start. engine not turning over

This code means that the engines computer has detected that not all the cylinders have have been firing correctly. It can be caused by a number of things but start by checking your ignition circuit eg plugs, leads, coil etc. If you have a spark the enine should start.

It seems you now have a flat battery so you will need to get it charged up or get a booster start from someone. I think you will find that with a good battery the car will go, especially if you use a little starting fluid. Once it is going you can investigate the misfire problem.

Posted on Aug 19, 2009

  • 571 Answers

SOURCE: Check engine light is on---failed inspection

This code means: 'O2 Sensor Circuit (Sensor 1), Electrical fault'.

Posted on Jan 16, 2010

  • 5 Answers

SOURCE: My check engine on 2001

you need to have your computer cleared of all errors after the problem has being resolved. this can only be done with a scan tool. until this is done ur car may still run poorley

Posted on May 02, 2010

  • 2006 Answers

SOURCE: My check engine light is

P0057 Definition: O2 Sensor heater circuit low- 22
Probable causes:
1. Open or short circuit condition
2. Open fuse
3. Failed HO2S 11 (i.e., bad O2 Sensor).

Got this off the Jaguar Forums.com for you.

Posted on Jun 01, 2011

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1 Answer

Does the ecm control dash gauges?


Was original PCM dead? Has the 'new' PCM been working at all? The p1602 DTC is set when the battery voltage was detected as low or disconnected. Do the basics and check the battery terminals are clean and tight and that he engine has a good earth lead to the body. Check that battery voltage is 12.4v or higher. Check the fuses and relays. Clear the code and retry to start. If possible try the 'old' PCM if it was working before being swapped out.

Aug 22, 2016 | Cars & Trucks

Tip

Engine operation


A review of engine operation:

In order to function properly an engine requires mechanical integrity along with a combination of air, fuel and a well timed spark. Engine operation is governed by an Electronic (Power) Control Unit/Module (ECU/ECM/PCM)or Engine Management System (EMS) that receives signals from a variety of sensors and in turn supplies air, fuel and timing appropriately. To reduce the impact of engine emissions on the environment the ECU also operates a number of emission control actuators and these too are monitored by sensors
Fault diagnosis can be helped by viewing the engine in several states: (i) starting;(ii) warming up or 'open cycle'; and (iii) as running at normal operational temperatures or 'closed cycle'. Most errors, and frequently the most inconvenient, relate to the start, or rather, failing to start process, closely followed by an engine that otherwise behaves normally but shuts down with little warning. When sensor signals indicating conditions outside normal operational parameters are sent to the ECU, the respective errors codes (DTCs Diagnostic trouble codes) are recordedand the 'check engine light' (CEL) or 'malfunction indicator light' (MIL) is illuminated on the dash board. Reading these error codes indicates the system in error and helps diagnose the fault.
The sensors and actuators included in this general guide are an amalgam of the ones found on many of today's cars.This is not to say that every car will have the full set of sensors or the exact layout as discussed here. Cars vary from manufacturer to manufacturer and technical developments also occur over time introducing new sensors whilst making older ones obsolete. NEXT 1) Air: From atmosphere to engine

on Jul 03, 2011 | Mercedes-Benz E-Class Cars & Trucks

2 Answers

My car won't start and is showing a p1000 code . What does this mean?


P1000 is a manufacturer specific fault code:

Ford P1000: OBDII Monitor Testing Not Complete.
Jaguar P1000: Engine control module (ECM) - internal error.
Kia P1000: System diagnosis incomplete.
Land Rover P1000: Engine control module (ECM) memory erased - no codes stored.
Mazda P1000: OBDII Drive Cycle Malfunction.

So depending on the manufacturer of your car would depend on the meaning of a P1000 code!

Jan 21, 2015 | Cars & Trucks

2 Answers

P1602


2 thing you can do to try to fix it yourself.

1. use a contact cleaner to clean the contact point of the sensors, and AT connection contacts. because sometime mechanic oil hand will affect the contact points

2. try a new batt, it could be the weak batt which is disturbing the ecu

May 29, 2013 | 2004 Daihatsu YRV

1 Answer

I have a 2000 silverado w/4.3l vortec engine. I took it to a mechanic cuz I was having difficulty pin pointing a good diagnosis my code reader gave me only a P0300 random missfire code. He looked at it...


Try changing the spark plug on that cylinder,and then the cap and rotor and wires if needed.It is most likely the problem.If this was at all helpful,please rate,thank you.

Aug 24, 2010 | 1996 Chevrolet C2500

1 Answer

My check engine on 2001 grand caravan went on before emmission test but went off after a day, but i failed the test. Driving from the test it went on again. Mechanic checked the code and gave me...


you need to have your computer cleared of all errors after the problem has being resolved. this can only be done with a scan tool. until this is done ur car may still run poorley

May 02, 2010 | 1996 Dodge Caravan

1 Answer

SECURITY AND TRACTION LIGHTS ON CAR WONT START


Several GM products, including the Chevrolet Impala and Malibu, the Oldsmobile Alero, the Pontiac Grand Prix, and Saturn Ion, have issues with the Security light coming on. This is many times an indication of a failing Body Control Module (BCM). Initially, the Security light will come on then go off, progressing to a constant on light, before the car will refuse to start. Other symptoms may include erratic action of electronics, a clicking sound coming from the glove box, and the air conditioning failing to blow cold air. I recommend a shop that specializes in the electronic systems of vehicles to diagnosis and make the necessary repairs. They should keep the car until they replicate the symptoms described. A new BCM from GM should cost about $230; plan on another $200 for them to diagnose the problem, replace the unit, and program the new unit. The dealers quote between $700 and $1,100 for the same repair. My experience and the experiences I have read on the internet, indicate the new BCM should last only about a year.

Jun 17, 2009 | 2001 Cadillac DeVille

1 Answer

Security light comes on while driving on my 2001 GMC Jimmy


Several GM products, including the Chevrolet Impala and Malibu, the Oldsmobile Alero, the Pontiac Grand Prix, and Saturn Ion, have issues with the Security light coming on. This is many times an indication of a failing Body Control Module (BCM). Initially, the Security light will come on then go off, progressing to a constant on light, before the car will refuse to start. Other symptoms may include erratic action of electronics, a clicking sound coming from the glove box, and the air conditioning failing to blow cold air. I recommend a shop that specializes in the electronic systems of vehicles to diagnosis and make the necessary repairs. They should keep the car until they replicate the symptoms described. A new BCM from GM should cost about $230; plan on another $200 for them to diagnose the problem, replace the unit, and program the new unit. The dealers quote between $700 and $1,100 for the same repair. My experience and the experiences I have read on the internet, indicate the new BCM should last only about a year.

Mar 20, 2009 | 2001 GMC Jimmy

1 Answer

I got code PO420 and PO430


Here are the most common problems,

Air leaks at the exhaust manifold or in the exhaust pipes. Catalytic converter is damaged, contaminated or has failed. Front HO2S or rear HO2S is contaminated with fuel or moisture. Front HO2S and/or the rear HO2S is loose in the mounting hole. Front HO2S older (aged) than the rear HO2S (HO2S is lazy)

Your vehicle’s computer system has self-testing capability. When the computer senses that there is a problem with one of the components or sensors it stores the correspondent trouble code(s) in its memory and lights up the "Check Engine" or "Service Engine Soon" light to tell you that there is a problem and you need to diagnosed and repaired it. Autozone turning the light off does nothing for you, and is against their company policy. If you do not have the proper tool, reference materials or experience I would take it to a professional. Finding out the trouble code is just he start of the diagnosis process.

Hope this helps.

Dave

Feb 28, 2009 | 1996 Nissan Sentra

2 Answers

Security light not on, engine won't crank


Several GM products, including the Chevrolet Impala and Malibu, the Oldsmobile Alero, the Pontiac Grand Prix, and Saturn Ion, have issues with the Security light coming on. This is many times an indication of a failing Body Control Module (BCM). Initially, the Security light will come on then go off, progressing to a constant on light, before the car will refuse to start. Other symptoms may include erratic action of electronics, a clicking sound coming from the glove box, and the air conditioning failing to blow cold air. I recommend a shop that specializes in the electronic systems of vehicles to diagnosis and make the necessary repairs. They should keep the car until they replicate the symptoms described. A new BCM from GM should cost about $230; plan on another $200 for them to diagnose the problem, replace the unit, and program the new unit. The dealers quote between $700 and $1,100 for the same repair. My experience and the experiences I have read on the internet, indicate the new BCM should last only about a year.

Aug 12, 2008 | 2002 Oldsmobile Alero

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