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Home › Saab › 1990 › 900 SPG, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes › Fault Codes (Without Using ISAT Scan Tester) › Error Code 12233

Error Code 12233

  1. The check engine light is on. There is a faulty LH control unit (ROM mixture fault).
  2. Replace control unit.
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