BENTLEY · 2021-12-14
Outer daytime running light/s not working - Warning message within the DIP. Customer statement: - Left and/or right outer daytime running light/s not working (Figure 1). Workshop Findings: - DTC C10EF04 evident within Diagnostic address 29 Light control left and/or 39 Light control right Technical background: A software error in the headlight control modules can lead to malfunctions with the front Daytime Running Lights. The instructions within this TPI are for vehicles with Low specification lights(PR code 9C7) The instructions are not applicable to vehicles with High specification lights (PR code 8K9)