The presence of an on-board computer on the fourteenth VAZ model greatly simplifies the process of diagnosing some faults. Displaying error codes on the BC panel allows you to pinpoint the location of the malfunction. The functions of the built-in device include a self-diagnosis function that allows you to determine the entire list of problems in the machine systems. Often during such diagnostics, error 14 of the VAZ 2114 is displayed. To understand the method for eliminating the problem, it is worth knowing the decoding of the fault number “14”.
Useful video:
Cause of error 14 on VAZ 2114
In addition to built-in on-board computers, models 2114 and 2115 with an injector have an error detection function through the dashboard. By holding down the odometer button and turning the ignition to the first position, the self-diagnosis process begins. The functionality of the fuel gauge, tachometer, speedometer and coolant temperature needles will be checked.
Common error 14 on the VAZ 2114 means a high signal from the antifreeze temperature sensor (the so-called DTOZH).
The reason for the appearance of code “14” lies in the following points:
- The temperature sensor is faulty;
- There is a break in the DTOZh connection circuit;
- The error codes were summed up and displayed on the panel as the sum “14” (options for other faults should be selected);
- The insulation of the sensor is broken, as a result of which it no longer transmits correct readings.
Useful : Where is the DTOZH located on the VAZ 2114?
As soon as error code 14 appears on the instrument panel of the VAZ 2114, you should replace it or check the reliability of the wiring connection to the DTOZH. In the VAZ 2114 model (injector, 8 valves), this element plays a rather important role in the formation of the correct air-fuel mixture and is responsible for the timely activation of the cooling fan.
Decoding fault codes VAZ 2115 8 valves
Depending on the type of device, certain symbols and numbers are displayed on the dashboard, indicating the presence of an error. In self-diagnosis mode, the data is reflected on the instrument panel in the square of the on-board display. A one or two-digit number indicating the problem is indicated here.
If diagnostics are performed by a third-party device, error codes are displayed on the computer display and are represented by an alphanumeric code consisting of 5 characters, where the first indicates the area of failure. The second sign indicates the factory code, the third specifies the problem circuit. The last 2 digits indicate the problem itself.
The complete table of faults for the VAZ 2115 contains more than a thousand names and encodings. The following are only the most common problems.
Error 01
The microprocessor has failed. There is a firmware glitch. Repair consists of replacing or reconfiguring the module.
Error code 2
The fuel level sensor in the tank is damaged or stuck. Disassemble the system and inspect the sensor for damage.
Fault 3
It is a combination of errors No. 2 and 1. Troubleshooting is indicated above.
Breakdown 4
Excessively high voltage in the network. The reason lies in a short circuit in the line.
Error 8: Lada 2115 8 valves
The problem arises when the car has an injector. The causes and elimination of the malfunction are completely opposite to point number 4. Here we are talking about a critical voltage drop in the on-board network, which is caused by battery failure or damage to the generator set.
Error 10
This means that when the engine is under high load, a lean fuel mixture enters the engine. The behavior causes a malfunction of the injector or throttle valve.
Breakdown 11
Indicates the presence of two or more problems at the same time. The number is obtained by adding the codes 8 and 3.
Fault 12
The check engine light is damaged or there is a problem with its wiring. It can be eliminated by studying the entire highway followed by repairs.
Error 14
The coolant temperature sensor is faulty or not working correctly. The situation can only be corrected by completely replacing the part - the sensor cannot be repaired.
Error 19: what needs to be changed
DPKV does not work correctly or there are problems with the marks matching. There are 2 fix options.
- Repair and replacement of the sensor itself.
- Establishing the correct alignment of marks and parts of the design provided by the engine manufacturer.
Error 20: decryption
Represents a combination of several errors at the same time. To understand the essence of the problem, perform detailed computer diagnostics.
Breakdown 26
A combination of three or more problems. The machine displays something like this when there are a lot of breakdowns.
Fault 44
The fuel mixture is too lean at low load or idle. Check the fuel lines for stray air leaks.
Code P0036
The low speed controller is faulty. A complete diagnostic of the module is required.
Error codes 0038
The last problem on the list, which is a combination of several faults. It is required to carry out computer diagnostics of the circuit.
Error P0171
Indicates that the fuel mixture is too lean. This often happens when a car uses gas as fuel.
Regardless of the type of fuel, check for parasitic air leaks through the connections of the lines and the walls of the pipes. It is also a good idea to diagnose the mixture formation module.
Malfunction P0172
The opposite problem is associated with a lack of air in the mixture. Diagnose the air line, replace the filter and examine the working surface of the MAF sensor in detail for damage or contamination.
Error P0030
The problem often occurs due to the poor condition of domestic roads. The essence of the breakdown is a break in the oxygen sensor circuit to the converter.
The solution is to check the entire wiring line and repair the break.
Breakdown 0102
Indicates a break in the signal from the mass air flow sensor. Can be signaled on the display as 102.
You will need to carefully check the wiring for damage to the insulation or oxidation of the sensor contacts.
Code 0113
Code P0113 indicates problems with the external thermometer. As a solution, it is proposed to shake the line and check for good contact.
Error 0118 to 2115
Indicates problems with the sensor. Now this is DTOZH. The root of the problem and the solution are similar to the points mentioned above.
Error 0122
TPS – violation of the insulating layer of the wiring. The cable may be frayed and shorted to ground.
Code 0132
DK1 breakdown. The solution to the problem is similar.
Malfunction P0134
The first oxygen sensor is a break in the power line. This results in no signal from the sensor.
P0135 error
Indicates an open circuit in DK1 with contact with vehicle ground.
2115: misfire in cylinders 1 and 2 - error 300 301 302
They talk about multiple misfires in individual cylinders. If error P0300 is displayed on the device, such faults are relevant for all working chambers.
Fault 0326
The DDS module is damaged or its contact groups have oxidized. Troubleshooting involves cleaning the terminals from dirt and oxides.
Code 0328
No signal from the above sensor. The entire line needs to be checked.
Code 0335
The crankshaft position sensor is damaged. Error 335 often indicates a mechanical failure.
Code 0336
There is a break in the line of the above sensor.
Fault 0340
DPRV – loss of connection with the head module.
0341 - error
Damage to the camshaft position sensor. The entire sensor needs to be replaced.
Error 0342
A similar fault with a short to the on-board network.
Error 0343
Phase distribution sensor - violation of wiring integrity. Disassemble the circuit and restore the insulation.
0346 - breakdown
Similar problem - no different solution.
Error P0351
Open circuit for the first piston.
Breakdown 0363
Indicates that the fuel mixture does not ignite in the cylinders. There was a forced cut-off of fuel. To repair your car, you will have to turn to specialists for help - self-repair is unlikely.
Code 0422
Indicates a critical reduction in the performance of the catalytic converter. After diagnostics, the entire module is replaced or a flame arrester is installed instead.
Code 0441
The canister purge valve receives power intermittently. Check the power line.
Error 444
Complete loss of voltage in a similar section of wiring.
501 - error
The speedometer sensor is transmitting incorrect information. Please study the module carefully.
Fault 0560
The battery is damaged or deeply discharged. The problem indicates a break in the main line of the car.
Error p0504
Speedometer sensor – wiring damage with contact to ground.
Code P0507
Idle speed too high. The cause is a dirty throttle valve.
Code 0511
The idle air control power lines are damaged.
Code P1602
There was a contact break in the car's on-board vehicle. The code appears simultaneously with other ciphers that clarify the location of the defect.
Breakdown 1621
RAM error. The module must be examined in detail for any malfunction.
Error 2187
The fuel system is too lean at idle. The reason lies in the depressurization of the fuel line. For repairs, it is enough to tighten the connections and replace worn hoses.
Engine errors
Sensors on the motor can produce up to 500 different errors. These are problems with ignition, fuel supply and sensors.
RAM error on 2115
They start with code P0300 and indicate that there are problems in the controller.
Error - rich mixture
Troubleshooting begins with checking the fuel line for integrity. If everything is in order here, examine the throttle valve and injector.
Phase sensor fault: 2115 8 valves
The phase distribution sensor is sensitive to mechanical damage and shaking, which leads to sudden failures or incorrect operation.
Knock sensor 2115 8 valve injector: signs of malfunction
If a breakdown occurs, the engine begins to operate intermittently. The power plant does not maintain speed, an error may appear indicating a forced reduction in engine power.
Crankshaft sensor 2115: signs of malfunction
DPKV rarely fails. If a malfunction occurs, misfires are possible, and sometimes the engine malfunctions and fails while driving. The motor will triple or double.
Camshaft sensor 2115: signs of malfunction
Problems when the DPRV breaks down are similar to those mentioned above.
How to resolve error 14?
Before starting work, you must make sure that the reason for the error display on the panel is the result of a sensor failure. If your car has problems with detonation, loss of engine power and increased consumption, you need to check the condition of the sensor. The cost of this element is low, so it is worth replacing it as a preventative measure. Incorrect readings from the DTOZ complicate the work of the car’s “brain”, because Accurate temperature readings are required to form the correct mixture. In general, DTOZH is considered one of the reliable elements in the control system, but it is worth replacing it periodically. The best way to resolve the error is to replace the sensor. If there is a wire break, then it is enough to restore the connection. We will describe the step-by-step process of replacing a faulty element below:
- Cool the engine and drain the antifreeze from the radiator and engine block. Unscrew the cap of the expansion tank.
- Find the desired sensor near the thermostat housing and mark its current position.
- Unscrew the sensor from its seat using a 21 key.
- Next, install the new element in accordance with the marked marks. Use a small amount of high temperature resistant sealant and apply it to the threads of the DTOZH.
- Pour new antifreeze or antifreeze into the system.
When diagnostics are running, a similar code, P2114, may be displayed. It means the TPS is malfunctioning. The problem is solved by replacing it completely.
Is it possible to drive with error 14?
On domestic cars, on-board computer errors are displayed quite often during testing. You should not ignore the readings, because... Some malfunctions seriously affect the normal operation of the engine and other systems. It is acceptable to move with error “14”, but this is fraught with the following disadvantages:
- Increased fuel consumption;
- The engine operates in a changed temperature range;
- Antifreeze may boil in the expansion tank.
Malfunctions that arise in the engine cooling system should be corrected promptly, because Operating at elevated temperatures increases the likelihood of overheating. Please note that the error code may be displayed even after the problem has been resolved, because Data is still stored in the BC memory. Next, we’ll look at ways to reset data without using third-party devices.
Car self-diagnosis
- First you need to sit in the driver's seat and hold down the odometer button on the speedometer.
- Then insert the key into the ignition and set it to the first position.
- After turning the key, you must release the pressed button. This will cause the needles on the speedometer, tachometer and other gauges to move quickly.
- Then you need to press the odometer key again and release it. An inscription with the firmware version will appear on the device.
- After the third press of the odometer button, the VAZ 2114 error codes will start to light up on the display.
How to reset errors yourself
After self-diagnosis of errors and elimination of their causes on a carburetor or injection engine, a malfunction message may remain on the standard panel. If the problem has been deleted, this means that the code combination remains in memory. We'll look at the description of the faults below, and now we'll tell you how to remove the code from memory. To remove it after testing the device, when VAZ 2114 errors appear, the codes themselves must be written down. After this, the daily mileage reset button is pressed again, this will clear the fault from the control unit’s memory.
Resetting the "Check Engine" error
It often happens that the instrument panel 2114 8 or 16 valves displays a check error - engine malfunction, the orange icon is on. Self-diagnosis does not always allow you to accurately check and determine how to fix such a problem. To fix the problem and find a solution, you should perform more detailed diagnostics of the car using a computer and additional equipment. Perhaps, during diagnostics, an unknown error indicates a malfunction in the microprocessor, on-board network or sensors. After the problem is fixed, the receipt may remain.
The "Check Engine" indicator indicates a problem with the engine.
How to reset errors on a VAZ 2114?
The procedure for resetting old problems without the presence of devices is extremely simple. The corrected error 14 on the dashboard is stored in the car's computer memory until the battery is disconnected. It is enough to remove the negative terminal from the battery for a few seconds and when checking again, the BC will not display any codes.
If “14” is still lit on the dashboard, check the car for other breakdowns, because Diagnostics in VAZ works on the principle of adding two error indicators into one sum.
