HELLA TECH WORLD NEWS

HIGHLIGHT PRODUCTS

Lexus IS250/IS350 Condensation in interior

Lexus IS250/IS350

Condensation in interior

On the above vehicles, a blocked condensation drain in the air-conditioning system can lead to an ingress of water in the vehicle interior.

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Mazda 5 Engine stalls

Mazda 5

Engine stalls

If a customer complains about the above problem, this could be caused by the fuel pressure control valve. Furthermore, occasional loss of power and poor engine cold starting performance may also be complained about.

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Cooling system check

Cooling system check

Technical product information

In most cases, irregularities in engine temperature or an insufficient heating output can be attributed to faults in the cooling system.

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Mercedes Benz SLK R172 Engine Warning Light On

Mercedes Benz SLK R172

Engine Warning Light On

If the fault described above occurs together with the listed error codes, a possible cause is a faulty EGR valve (exhaust gas recirculation valve).

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Vauxhall Astra J Sports Tourer Replacing the rear lights

Opel Astra J Sports Tourer

Replacing the rear lights

Caution: risk of burns. The lamps may still have residual heat from previous operation. Never touch the glass bulbs of the lamps with bare hands.

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Porsche 911 (991) Radiator fan error message

Porsche 911 (991)

Radiator fan error message

If the following message appears in the above-mentioned vehicles while driving: “Radiator fan error, avoid full engine load, you may continue driving”,  this may be caused by a fault in the radiator fan.

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Citroen C2 Failure of the power steering

Citroen C2

Failure of the power steering

If a customer complains about the above problem, this could be caused by a defective torque sensor. The customer notices this defect by an increased steering effort.

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Basic principles of car lighting technology

Basic principles of car lighting technology

Technical product information

Lighting technology plays a very important role in motor vehicles with regard to the safety of vehicle occupants and that of other road users.

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Toyota Prius Overload in the hybrid control electronics

Toyota Prius

Overload in the hybrid control electronics

On the above vehicles, the emergency program may be activated following heavy acceleration. Due to excessive acceleration, the hybrid control electronics may become overloaded, causing the vehicle to switch to the emergency program.

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Nissan Juke Malfunctioning of the seat heating

Nissan Juke

Malfunctioning of the seat heating

If complaints are made about the functioning of the seat heating in the above-mentioned vehicles, a faulty or defective wiring harness should be considered as a potential cause of the trouble.

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Fiat Tipo Poor heater performance

Fiat Tipo

Poor heater performance

The performance of the passenger compartment heater in the above-mentioned vehicles may be restricted or poor at low outside temperatures.

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VW Crafter - Auxiliary battery is not charging

VW Crafter

Auxiliary battery is not charging

In the above vehicles, incorrect coding of the electric system control unit may be the cause that the auxiliary battery is not charging.

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Lane change assist

Lane change assist

Technical product information

As driver assistance systems for preventing accidents continue to develop, there is more and more interest in radar sensors for assistance systems to the rear of the vehicle.

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Mitsubishi Lancer - Alternator control light illuminates

Mitsubishi Lancer

Alternator control light illuminates

On the above mentioned vehicles a loose alternator belt pulley can result in the failure of the vehicle's electrical system and damage to other components.

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Hyundai i20 Mechanical noise from the engine compartment

Hyundai i20

Mechanical noise from the engine compartment

If you can hear mechanical noise from the engine compartment in above-mentioned vehicles, focus on the coolant pump in particular. A prematurely worn bearing may be causing the noise.

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Dacia Sandero - Failure of the ABS warning lamp

Dacia Sandero

Failure of the ABS warning lamp

If a The ABS warning lamp may fail in the above vehicles. A problem in the instrument cluster may prevent a failure in the ABS system from being displayed. Even during the self-test, after turning on the ignition, the ABS warning lamp does not light up.

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Suzuki Alto - Value displayed on coolant temperature gauge is too low

Suzuki Alto

Value displayed on coolant temperature gauge is too low

If these vehicles display an irregular coolant temperature value, the possibility of a bad ground connection to the thermostat housing bracket must be considered.

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Tyre pressure monitoring system RDKS

Tyre pressure monitoring system

Technical product information

From the end of 2014, all new vehicles have a tyre pressure monitoring system on board as standard. It provides a warning about insufficient tyre pressure and protects the driver against increased fuel consumption and tyre damage.

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Renault Espace IV - Cruise control does not maintain the specified cruising speed

Renault Espace IV

Cruise control does not maintain the specified cruising speed

If the above-mentioned problem is detected, one possible cause may be faulty software (engine control unit).

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Range Rover IV / Sport - Trailer towing device cannot be released to swivel out/in

Range Rover IV / Sport

Trailer towing device cannot be released to swivel out/in

If the above problem is identified, one possible cause may be a defective electronic control unit for the electrically-powered swivel tow bar.

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Peugeot 307 CC

Peugeot 307 CC

Rear light failure

If a customer complains about the above problem, this could be caused by a defective licence-plate light. No error code is recorded. Fuses, cables and connectors also do not exhibit any faul.

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VW Golf 3, Vento, Polo

VW Golf 3, Vento, Polo

Engine not running true and with high speed

If the above fault with this error code is detected for this vehicle type, it may be caused by the throttle unit being clogged by carbon deposits.

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ENGINE COOLING - BASICS

ENGINE COOLING - BASICS

The temperatures generated by the burning fuel (up to 2,000 °C) are detrimental to engine operation. Therefore, the engine is cooled down to operating temperature. The first kind of cooling with water was thermosyphon cooling.

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Alfa Romeo 159

Alfa Romeo 159

Power steering makes noises

If a customer complains about the above error, this could be caused by air that has entered the steering system. The noises are produced by cavitation and occur during the cold start phase in particular.

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Volvo V60

Volvo V60

Replacement of direction indicator bulbs

In order to replace the front direction indicator bulbs in this car, the headlamp/s has/have to be dismantled.

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Ford Edge Functional failure of the front headlamps

Ford Edge

Functional failure of the front headlamps

The complaint has been made that the front headlamps in the above vehicles experience a functional failure during operation.
The cause of this problem in this case is faulty software for the headlamp module.

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Audi A3 Functional failure of the front headlamps

Audi A3

Inaccurate fuel gauge

The complaint has been made that the above vehicles have an inaccurate fuel quantity indicator (deviation from the actual quantity in the tank on the instrument cluster display).
The cause for the above-mentioned issue is a software error in the control unit (instrument cluster).

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GOLF 6 REAR COMBINATION LAMP ENCODING

GOLF 6 REAR COMBINATION LAMP ENCODING

The exterior lighting on a vehicle offers a wealth of opportunities for customising the vehicle. Retrofitting LED rear combination lamps is a very popular modification. However, on modern vehicles it isn't enough to simply replace the lamps.

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Opel Ampera Battery charging cable deformed

Opel Ampera

Battery charging cable deformed

A faulty battery charging cable on the above vehicles may result in overheating and deformation up to the point of melting the charging cable.
As a result of the described issue, the battery will no longer be sufficiently charged or will not charge.

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Fiat Idea / Lancia Musa Hazard warning signal switches on without being activated

Fiat Idea / Lancia Musa

Hazard warning signal switches on without being activated

If the above-mentioned vehicles are found to have a problem with the hazard warning signal switching itself on without first being activated, the cause may be a defective hazard warning switch.

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Mazda 3 / 6 / CX5 Air-conditioning system not performing

Mazda 3 / 6 / CX5

Air-conditioning system not performing

The air-conditioning system of the vehicles mentioned above may experience a loss in performance. Sometimes there is no refrigerant left in the system.

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Kia Sorento I (JC)  Formation of odour in vehicle interior

Kia Sorento I (JC)

Formation of odour in vehicle interior

In the case of the above-mentioned vehicles, odours may form in the vehicle interior. In such cases, special attention should be paid to the cabin filter or filter housing.

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Our glossary for electromobility: We explain important terms

Our glossary for electromobility: We explain important terms

Passion for clean mobility! Electromobility is on everyone's lips – and increasingly also on the road. We at HELLA are contributing towards this: we offer customised electronics for mild hybrids to pure electric vehicles that accompany renowned manufacturers on the road to the future.

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BMW 5 Series /7 Series Stop light permanently illuminate

BMW 5 Series /7 Series

Stop light permanently illuminated

If the problem described above is determined, the cause could be a faulty ball head on the brake pedal

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Mercedes Vaneo Radio-controlled central locking system unlocks itself

Mercedes Vaneo

Radio-controlled central locking system unlocks itself

If the above fault is complained of in these vehicles, and if the passenger compartment lighting also fails to switch off while driving, there may be a contact problem in one of the sliding doors.

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Technical product information The Diesel Particulate Filter System

Technical product information

The Diesel Particulate Filter System

In order to maintain the prescribed emission limit values, a diesel particulate filter that is also known as DPF is used in vehicles with diesel engines.

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Land Rover Freelander 2

Defective Contact Switch (Hood)

The warning notification "Hood open" is displayed on the instrument panel of the vehicles listed above. Additionally, an acoustic signal may sound when locking the vehicle, and the alarm control system may also be heard.

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Honda Legend

Scratching and knocking noises in the area of the windshield

If the above-mentioned problem is detected, one possible cause may be the windshield wiper system and/or the wiper blades.

In such a case a faulty wiper arm (on the driver's side) is responsible for the noise generation.

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Coolant pumps

Technical product information

Coolant pumps are mostly driven mechanically, by a toothed belt or V-ribbed belt, and transport the coolant through the engine's coolant circuit. The pumps can be flanged directly to the engine or also installed away from it. 

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Specific vehicle repair information

REPAIR INFORMATION

Vehicle-specific diagnostic and repair information relating to a variety of fault symptoms.

To the repair instructions
Campaigns and special offers

CAMPAIGNS AND SPECIAL OFFERS

Here you will find an overview of the current campaigns and special offers from HELLA.

To the campaigns
Online product catalogue

ONLINE PRODUCT CATALOGUE

Quick, clear and efficient – Find the right HELLA Product!

To the online catalogue

NEW PRODUCTS

Here you can find all information about new products, product ranges and extensions from HELLA. 

To the new products