HIGHLIGHT PRODUCTS

Porsche Macan

Porsche Macan

Clicking noises in the interior

If non-specific noises occur in the area of the A-pillar or instrument panel on the vehicles mentioned above, they may be caused by the bonnet rubber stoppers.

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VW Polo 6R/6C

VW Polo 6R/6C

Replacement of light source for halogen headlamps

On the above-mentioned vehicles, bulbs for halogen headlamps can be replaced as follows...

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Headlamp cleaning system

Headlamp cleaning system

Technical product information

Headlamp cleaning systems improve visibility in the dark and prevent dazzling of oncoming traffic through stray light. On this page, find out about the structure of headlamp cleaning systems and how they work.

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Opel Adam

Opel Adam

ABS / ESP control lamp lights up

The ABS/ESP control lamp may light up sporadically on the above-mentioned vehicles. Error codes such as U0077, U0073, U0401 are stored in the error memory of the control unit.

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Toyota RAV 4 Poor starting behaviour after prolonged vehicle standstill

Toyota RAV 4

Poor starting behaviour after prolonged vehicle standstill

Faulty injection valves could be a possible cause. After visually inspecting the wiring harness and plug connections, the fault memory of the engine control unit should be read out and deleted if necessary.

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Mazda CX5 Activate and deactivate maintenance mode

Mazda CX5

Activate and deactivate maintenance mode

Vehicles equipped with an electromechanical parking brake can be set to maintenance mode as follows.
Before the brake pads on the rear axle brake callipers can be replaced, the electric actuator motors must be retracted.

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Injection nozzle Technical product information

Injection nozzle

Technical product information

Injection valves provide each cylinder with the required fuel and simultaneously atomise the fuel so that it can burn most effectively in the combustion chamber. Scroll through this page and find out how injection valves work and potential fault symptoms.

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Kia Sportage Poor air-conditioning performance

Kia Sportage

Poor air-conditioning performance

If the performance of the air-conditioning system is inadequate when outside temperatures are high, a faulty evaporator temperature sensor (see illustration example) may be the cause. Incorrectly measured values can cause the evaporator to freeze and block the air flow.

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Volkswagen T6 Noise when outside temperatures low

Volkswagen T6

Noise when outside temperatures low

With the above-mentioned vehicles, rattling, rather non-specific noises may occur when the engine is cold and the outside temperature is low. The noise disappears when operating temperature returns to normal. The dual-mass flywheel could be a possible cause of the problem.

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MAZDA CX5 (KE) Fault code  P0299 - Boost pressure too low

MAZDA CX5 (KE)

Fault code P0299 - Boost pressure too low

A BI-turbo unit is installed in this vehicle model. This two-stage turbocharging with a small turbocharger that responds early and a large turbocharger for high speeds ensures an optimum engine response in all speed ranges.

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HYUNDAI I 20 Fault code C1603 - Insufficient steering assistance

HYUNDAI I 20

Fault code C1603 - Insufficient steering assistance

If the electric power steering on the vehicles mentioned above is sluggish or the steering assistance is insufficient, the fault memory of the steering control unit can be read out first.

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TIRE PRESSURE MONITORING SYSTEM (TPMS)

TIRE PRESSURE MONITORING SYSTEM (TPMS)

Technical product information

From the end of 2014, all new vehicles have a tire pressure monitoring system on board as standard. It provides a warning about insufficient tire pressure and protects the driver against increased fuel consumption and tire damage. On this page, those interested in technology will find a whole host of details relating to the respective system variants, practical tips for changing tires, and important information to be taken into account during tire fitting.

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FORD FOCUS Instrument cluster failure

FORD FOCUS

Instrument cluster failure

If the displays on the instrument cluster fail at the same time as poor acceleration behaviour is detected in the vehicle models mentioned above, one cause may be a defective wiring harness in the area of the right-hand A-pillar.

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TOYOTA AYGO Fault code P0420, P0300 misfires or engine starts poorly

TOYOTA AYGO

Fault code P0420, P0300 misfires or engine starts poorly

Oil carbon deposits on the spark plugs can lead to the following problems in the vehicles mentioned above:

  • Misfires
  • Poor starting behaviour
  • The engine control lamp is lit up
  • Fault codes stored in the control unit
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Alfa Romeo Condensation forming on the front fog lamp

Alfa Romeo

Condensation forming on the front fog lamp

If complaints are made about the above issue, this does not necessarily point to any error. If the covering pane is covered by condensation, the area where light is emitted should dry within 20 minutes of driving with the low beams turned on.

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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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Accelerator pedal sensor Technical product information

Accelerator pedal sensor

Technical product information

The accelerator pedal sensor transmits the position of the accelerator pedal to the engine control unit. Based on this information, the load requested by the driver can be implemented immediately.

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Honda Legend

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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VW Caddy

VW Caddy

Engine Turns Itself On When Doors Are Opened

In the vehicles listed above, the engine may start itself when the radio remote control is operated or the door latch system is manually closed.

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Audi A4, A6, A8, Q7 Error code P3134

Audi A4, A6, A8, Q7

Error code P3134

This defect usually occurs in vehicles with a high mileage. One possible cause for this is too much play in the shaft bearing or in the ball heads of the intake manifold flap’s connecting rod.

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Porsche Cayenne  Error code: 16864/P0480

Porsche Cayenne

Error code: 16864/P0480

If the above defect is detected, it may be related to a defective radiator fan module. Only affects vehicles with two fan motors (dual fan module).

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Specific vehicle repair information

REPAIR INFORMATION

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

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Campaigns and special offers

CAMPAIGNS AND SPECIAL OFFERS

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

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Online product catalogue

ONLINE PRODUCT CATALOGUE

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

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New products

NEW PRODUCTS

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

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