What does code P1606 mean on Volkswagen vehicles?
The ECU detects an electrical malfunction in the ABS-ECU related to rough road detection and engine torque control.
OBD-II Code Volkswagen
P1606 — Volkswagen — Rough Road Specification Engine Torque ABS-ECU Electrical Malfunction
The ECU detects an electrical malfunction in the ABS-ECU related to rough road detection and engine torque control.
Common symptoms
- ABS/ESP warning lights
- traction issues
Possible causes
- ABS-ECU communication or electrical fault
Initial recommendation
Diagnose ABS system and inspect communication between ECUs.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine Volkswagen code P1606 with your vehicle's actual symptoms for more complete diagnostic guidance.
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