P1266

Cylinder #1 High To Low Side Short

DTC P1266, sometimes indicated as P126600 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the air/fuel mixture causing cylinder #1 high to low side short.

  • P1266: Cylinder #1 High To Low Side Short

DTC Trouble Code Search
Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

  • SSM 46453 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
    FORD: Some 2017 f-series super duty pickups equipped with a 6.7l engine and a rear auxiliary power point may exhibit a illuminated malfunction indicator lamp (mil) with diagnostic trouble codes (dtcs) P1261, P1262, P1263, P1264, P1265, P1266, p12
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