Diagnostic Trouble Code Tests and Associated Procedures

DTC Index P1246:

NOTE: DTC P1246 can be set by the loss of the communication lines, Generator Communication (GEN COM) Circuit 8-BA25 (WH/RD) and/or GEN MON Circuit 10-BA25 (GY/RD). However, the generator warning indicator lamp will not illuminate since the generator is self-regulating and will function normally.