DTC U263B-16: Light Control Module (RH) Power Supply Circuit (IG+) Malfunction [Body Control Module (BCM)]: Outline

DTC U263B:16 - BODY CONTROL MODULE (BCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Light control module (RH) power supply circuit (IG+) malfunction
Detection condition	The light control module (RH) (built into front combination light (RH)) power supply circuit (IG+) voltage is lower than the standard.
Fail-safe	Not applicable
Possible cause	IG1 relay No. 2 malfunction Front combination light (RH) connector or terminal malfunction Short to ground or open circuit in front combination light (RH) power supply circuit (IG+) Front combination light (RH) internal malfunction Body control module (BCM) malfunction
Courtesy of MAZDA MOTORS CORP.