Fault Codes:
Hyundai HX220 NL EPFC 285（639-9）
Fault Description:
SAE J1939 multiplexing PGN timeout errorAbnormal update rate.The ECM expectedinformation from a multiplexed device but did notreceive it soon enough or did notreceive it at al. SAE J1939 Multi-channel communication PGN timeout error - Abnormal data update rate. The ECM failed to receive the information from the multiplexed device in a timely manner or at all.
Fault Location:
At least one multiplexed device will notoperate properly. At least one multiplexing device will not function properly
