Engine malfunctions. VOLKSWAGEN code errors

B2AAA

Common error code. This combination appears in the presence of other faults.

 

P10A4

Malfunction of the control valve at the inlet.

 

P10A9

Malfunction of the electromagnetic clutch of the compressor device.

 

P175D

Spontaneous opening of the clutch system. Most likely, the disk was worn out.

 

P130A

Malfunction of one of the cylinders, possible damage to the device.

 

P2BAC

Malfunctions of the EDR valve, arbitrary shutdown of the device.

 

P2BAB

Exceeding the limit of nitric oxide, disabling the USR of the valve.

 

P242F

The control unit reports restrictions related to the operation of the soot filter.

 

P10A900 (P10A9)

Malfunctions of the drive device of the throttle valve.

 

P261A

Code P261A or P261A00 is the result of damage to the electrical circuit of the ventilation, heating and air conditioning system.

 

P0016

Codes P0016 and P001600 indicate the incorrect relative position of the motor shafts. To solve the problem, you will need a detailed diagnosis of the integrity of the gears on the pulley. It is possible that the cause of the fault is a discrepancy between the labels.

 

P0068

Literally the error translates as "deviation of the throttle advance angle". Fault leads to incorrect inlet air pressure.

 

P0069

The control unit recorded an incorrect ratio in the air pressure readings at the inlet.

 

P0087

Code P0087 indicates a decrease in fuel system pressure.

Possible causes of the fault:

• damage to high or low pressure mains;
• damage to connectors or electrical wiring harnesses;
• wear of the pusher of the pump (high-pressure fuel filter);
• clogging of the injectors;
• fuel system controller malfunction;
• failure of the pressure control valve.

 

P0108

The control unit reports an incorrect inlet pressure. It is recommended to check the operation of the G71 and F96, from one of them the processor receives the wrong signal.

 

P0121

Code P0121 appears as a result of an incorrect pulse supplied from the potentiometer of the throttle valve G69.

 

P0171

Codes P0171 or P017100 appear as a result of depletion of the fuel-air mixture. The defect was found in the first row of cylinders.

 

P0172

Combination 0172 appears as a result of enrichment of the fuel-air mixture in the first row of cylinders.

 

P0299

Code P0299 or P029900 indicates a reduced boost pressure.

With the appearance of this fault, the following symptoms appear:

• the Check indicator flashes on the control combination;
• it is possible to include a speed limiter up to 40 km / h;
• the power of the power unit is significantly reduced;
• the operation of the turbine or compressor on the diesel engine is noisy.

Causes of this error:

• reduced engine fluid pressure in the power unit;
• failure of the turbine or injection device;
• problems with the EGR system (EDR);
• clogged air filter or suction air in the intake manifold;
• boost pressure controller failure.

 

P0300

Code P0300 appears as a result of fixing the ignition passes in one of the engine cylinders. The specific number is not specified, so you have to look for reasons yourself.

 

P0301

Combination P0301 indicates a misfire in the first cylinder of the engine.

Symptoms that may occur with this fault:

• difficulties in starting the power unit;
• "triple" of the engine, unstable operation of the motor at single speeds;
• Arbitrary stop of the engine when idling, at traffic lights or in traffic jams.

 

P0302

The combination P0302 occurs due to the appearance of misfires in the second cylinder.

 

P0303

Code P0303 indicates ignition leaks in the third cylinder of the car engine.

 

P0304

An ignition leak was detected in the fourth cylinder of the engine.

 

P0354

Failure of the fourth cylinder of the engine, the problem may be a malfunction of the ignition control system.

 

P0401

Code P0401 is generated at low throughput in the exhaust gas recirculation system. This combination can be associated with sensor wear as well as air suction.

 

P0403

Code P040300 appears as a result of a malfunction of the exhaust gas recirculation valve. This refers to the N18 device. The appearance of the code P040300 may be associated with a breach of the system, as well as a malfunction of the control unit.

 

P0404

Incorrect control range in the exhaust gas recirculation system.

 

P0411

Code P0411 (0411) indicates a reduction in the capacity of the secondary air supply system.

 

P0420

The combination P0420 (0420) appears as a result of reduced efficiency of the catalyst system located in the first row. You need to check the tightness of all components and pipes. Damaged highways must be replaced and weakened clamps tightened.

 

P0441

Code P044100 literally stands for "incorrect consumption in the fuel vapor control system".

 

P0455

The microprocessor module recorded a serious leak in the fuel tank ventilation system.

 

P0456

Code P0456 reports a minor leak in the fuel tank ventilation system.

 

P0491

Code P0491 is formed due to the reduction of the throughput of the secondary air supply system. The fault is fixed in the first row.

 

P0507

Idle engine speeds are higher than the maximum value.

 

P0638

Incorrect signal coming from throttle control module.

 

P0726

Inaccurate signal received by the microprocessor on the engine crankshaft speed.

 

P0734

Incorrect gear ratio in fourth gear.

 

P0811

Error P0811 in conditions of severe slippage of the clutch in the clutch system. Detailed diagnostics of all node elements, in particular disk integrity, is required.

 

P1031

The nominal value of the readings from the valve of the valves located on inlet channels is not reached.

 

P1065

Code P106500 indicates incorrect fuel pressure control range.

 

P1114

The appearance of the code 1114 indicates the increased internal resistance of the second probe installed in the first row.

 

P1127

Oversaturation of the mixture in the first row of cylinders. Under the load of the power unit it does not adapt.

 

P1136

On the 2008 Passat B5 and other models, this code indicates the depletion of the combustible mixture of the first row of engine cylinders. The specific number must be specified by diagnostic method. The control unit indicates that this fault occurs when the engine is running at idle speed.

 

P1141

Inaccurate load accounting data.

 

P1152

Depletion of the mixture in the first row of cylinders. The problem is related to adaptation problems.

 

P1165

Code 1165 appears as a result of over-enrichment of the mixture in the first row of cylinders.

 

P1248

Incorrect control range in the injection advance control system.

 

P1250

The fuel level in the tank is too low.

 

P1263

Incorrect signal from the injector pump valve of the second cylinder.

 

P1273

Code 1273 appears when out of the control range of the signal coming from the valve of the pump-injector of the fifth cylinder.

 

P1296

Malfunction of the cooling system.

The reasons for this error can be many:

• failure of one of the antifreeze temperature sensors (disconnection of the connector, oxidation of contacts, wire damage);
• no refrigerant in the expansion tank;
• boiling of antifreeze, which leads to overheating of the power unit;
• lack of tightness associated with damage to the pipes;
• errors in the operation of the control unit;
• malfunction of the thermostat or its incorrect operation.

 

P1297

Pressure reduction in the pipeline between the turbocharged unit and the throttle body.

 

P1403

For Volkswagen Passat CC with gasoline and other cars, this code indicates a violation of the control range in the exhaust gas recirculation system.

 

P1423

Too low throughput in the secondary air supply system, recorded in the first row of cylinders.

 

P1479

Code P1479 indicates a mechanical failure of the vacuum system of the brake booster.

 

P1545

Throttle control system malfunction.

 

P1553

The literal translation of the error is "incorrect ratio of altitude and pressure controller signals in the intake manifold". This problem can cause the engine to malfunction.

 

P1562

The error literally translates as "fuel pump dispenser-N146: upper limit".

 

P1582

The upper limit of adaptation in the system of regulation of single turns is reached.

 

P1570

The combination P1570 can be deciphered as "blocking of the engine control unit". Most likely, the cause of the problem is related to the standard immobilizer.

Possible faults:

• breakdown of the control module by the engine blocker;
• damage to the immobilizer antenna;
• chip failure;
• wiring damage, oxidation of contacts on the connector;
• use of the alarm with autostart that led to the conflict of the standard immobilizer with additional.

 

P1601

Inaccurate signal from power supply relay terminal 30-J317.

 

P1649

Code P1649 indicates the absence of messages from the control module of the anti-lock system. The cause of the problem may be in the data bus. The loop on the ABS control unit (ABS) and the microprocessor module must be checked.

 

P1951

The second fan of the V177 cooling system is blocked or difficult to run. The cause of the problem may be poor contact of the device with the on-board network, as well as damage to the wiring. Sometimes the fault is the oxidation of the contacts on the connector.

 

P2002

Code 2002 appears as a result of a malfunction of the soot filter installed on the first row of cylinders. The device must be replaced, as it is not advisable to clean it.

 

P2015

Code P2015 (2015) indicates a malfunction of the intake manifold dampers.

 

P2096

The combination indicates that the depletion limit of the fuel-air mixture has been exceeded. The problem is most likely with the oxygen controller installed after the catalyst in the first row.

 

P2097

Oxygen controller mixture enrichment control limit exceeded. You need to check the sensor installed in the first row after the catalyst.

 

P2101

Malfunctions of the throttle valve.

 

P2150

Nozzle power (s) B: short to ground.

 

P2177

Code P2177 (2177) indicates depleted mixture in the first row of engine cylinders when operating at single speed.

 

P2187

Depleted mixture in the first row of engine cylinders during idling.

 

P2004

Code P2004 (2004) states that the intake manifold valves of the first row of cylinders do not close.

 

P2179

The depleted mixture in the cylinders of the power unit at speeds above idle.

 

P2181

Code 2181 indicates a malfunction of the cooling system. This is a common error, so the user needs to diagnose all components of the node.

 

P2192

In cars with turbodiesel, this code often appears when enriching the fuel-air mixture. The control unit indicates that the problem may be a malfunction of the first oxygen controller installed in row 1 of the cylinders.

 

P2261

Mechanical damage to the bypass turbocharger N249.

 

P2262

No pressure was detected in the turbocharging system, there is a mechanical fault.

 

P2263

Turbocharger failure.

 

P2279

Code P2279 indicates a leak in the intake system. It is necessary to check all highways, and also their connection. It is possible to loosen the clamps or damage the pipes.

 

P2463

Problem with the soot filter. In case of failure of P2463, most likely, the filter element will have to be replaced.

 

P2637

Code P2637 indicates an incorrect torque pulse of power unit A.

 

P3014

Code 3014 or 014 indicates a short to ground or damage to the wiring of the second boost pressure relief valve N274.

 

P3078

The combination indicates a malfunction of the throttle control unit. During the operation of the power unit on a single course, the supply of air to the cylinders is insufficient.

 

P3081

Code 3081 on the Tuareg 32 and other Volkswagen models indicates a reduced engine temperature. The causes of the fault can be many, but you need to start the diagnosis with the quality of antifreeze and the performance of the thermostat.

 

P3129

The basic settings of the mechanical stop of the dampers of the inlet channels in the "closed" position are violated.

 

P3139

Code 3139 indicates that the pulse from the intake valve is outside the allowable range.

 

P3192

On Volkswagen T4, T5 and other versions of the data the code means malfunction of valves of intake shafts. The control unit calculated the violation of the basic parameters of the mechanical stop of the closed position.