Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
To diagnose the B3659 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.
The Head-Up Display (HUD) monitors the HUD dimming down switch signal circuit in order to perform the switch functions. When the HUD dimming down switch is depressed and the ignition is in the RUN position, the dimming down switch signal to the HUD is low. When the HUD detects that the HUD dimming down switch signal is low for greater than 60 seconds, the Diagnostic Trouble Code (DTC) B3659 sets.
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