time_ico

Save up to 50% the time spent in failure diagnosis.

new_ico

The technical team adds new solutions to the platform every day.

diagnosis_ico

Our solutions are characterized by their simple interpretation. They include demonstrative images and are arranged in four fields: Error codes, symptom, cause and solution.

HIGHLIGHT NEWSLETTER

CAR

AUDI A4 (8EC) 1.9 TDI

SYSTEM

DIESEL ENGINE - ELECTRICITY / ELECTRONIC

ERROR CODES

17055-P0671 - Cylinder 1 glow plug (Q10). Electrical failure in the power circuit.

17056-P0672 - Cylinder 2 glow plug (Q11). Electrical failure in the power circuit.

17057-P0673 - Cylinder 3 glow plug (Q12). Electrical failure in the power circuit.

17058-P0674 - Cylinder 4 glow plug (Q13). Electrical failure in the power circuit.

SYMPTOM

Fault codes recorded in the engine control unit.
The vehicle displays one or several previous fault codes.
Engine warning light (MIL) on.

NOTE: This technical note affects only those vehicles that are within a specific manufacturing date.

CAUSE

Possible causes:
- Defect in the glow plugs.
- Defect in the engine control unit software.

SOLUTION

Repair procedure:
- Read the fault codes recorded in the engine control unit (ECU) using the diagnostic tool.
- Confirm that one or several of the fault codes that appear in the field symptoms of this bulletin are displayed.
- Check the condition de the glow plugs.
- Replace all the glow plugs if any of them is in poor condition.
- Clear the fault codes recorded in the engine control unit (ECU) using the diagnostic tool.
- Reprogramme the engine control unit (ECU) with updated software from the manufacturer.