U1191 - SCP (J1850) Invalid or Missing Data for Primary Id

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • U1191 Description

    SCP (J1850) Invalid or Missing Data for Primary Id is the generic description for the U1191 code, but the manufacturer may have a different description. Currently we have no further information abouth the U1191 OBDII code. Please post your question on the Q&A section for more information: AutoCodes.com Q&A.
    OBDII Code U1191 - SCP (J1850) Invalid or Missing Data for Primary Id - Engine-Codes.com

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