Diagnostic trouble code information

Condition 

If the control unit detects that the front left reading lamp is on when the rear left reading lamp is off, a faulty control signal from the lamp circuit displays the diagnostic trouble code.

Substitute Value 

• The lamp goes off.

Possible Source 

• The signal wire for the front left reading lamp is short circuited to ground
• Intermittent open circuit on signal wire.

Fault symptom[s] 

• Courtesy lighting does not work.