In this database, you will find vehicle-specific diagnostic and repair information relating to a variety of fault symptoms. This professional, technical information has been compiled by experienced technicians and mechanics to support automotive workshops with vehicle repairs. You can search the database by entering multiple keywords, for instance the vehicle make, model, relevant system or components, and also filter the information using the categories (for example, lighting, electronics, etc.).
"Mazda 3 / 6 / CX5 - Air-conditioning system not performing | HELLA Mazda 3 / 6 / CX5 Model year: 2013 - 2016 Air-conditioning system not performing Loss of refrigerant The air-conditioning system of the vehicles mentioned above may experience a loss in per"
"Ford Transit Connect - Interior blower failure | HELLA Ford Transit Connect Model year: 2012-2013 Interior blower failure Vehicle interior water entry If the interior blower fails in the vehicles mentioned above, water entering into the vehicle interior co"
"VW Polo (V) - Reduced heater power | HELLA VW Polo (V) Model year: 2011 Reduced heater power If it is discovered that the interior heater power in the above-mentioned vehicles is reduced, the cause could be an incorrect coolant mixing ratio. The following "
"Audi A4 - Bad or fluctuating idling behaviour | HELLA Audi A4 2.0i 16V TSFI Quattro Engine code: CDNC Model year: 2009-2012 Bad or fluctuating idling behaviour Whistling noises in idle Motor control light on Fault codes: P0507 RPM over set point P2187 Too "
"VW Touareg - Erratic driving behaviour | HELLA VW Touareg (7P5) Engine code: CNRB Model year: 2013 Erratic driving behaviour Electrical malfunctions If the above-mentioned problems are identified, one possible cause may be a damaged wiring harness in the e"
"Volvo V90 D3 - Insufficient/delayed throttle response | HELLA Volvo V90 D3 Model year: 2016 - 2017 Engine: all 2.0 diesels D4204T9 Insufficient/delayed throttle response In such a repair case, the customer complains that the engine reacts inadequately and/"
"Mazda CX5 - The entertainment system does not switch off, the central locking system does not react | HELLA Mazda CX5 Model year: 2012 - 2016 All models with automatic transmission/gearbox The entertainment system does not switch off, the central locking s"
"Audi A1/A1 Sportback - Interrupted radio reception | HELLA Audi A1/A1 Sportback Engine: 1.8 TFSI (DAJB) · Model year: (2015-2018) Interrupted radio reception With this kind of repair work, the customer complains that radio reception is interrupted when the"
"Skoda Fabia II - Functional failure; side direction indicator | HELLA Skoda Skoda Fabia II Model year: 2007 - 2014 Functional failure; side direction indicator If the above-mentioned vehicle (Fig.1) is found to have a malfunctioning side direction indicato"
"Mercedes-Benz C-Klasse (W204) - Sporadic malfunction of instrument panel lighting | HELLA Mercedes-Benz C-Class (W204) Model year: from 2007 to 2014 Sporadic malfunction of instrument panel lighting If this problem is detected in the above-mentioned vehicl"