P1921 SAAB - CAN Data Bus ECM

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Engine Control Module (ECM)
  • Engine Control Module (ECM) harness is open or shorted
  • Engine Control Module (ECM) circuit poor electrical connection

Possible symptoms

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

P1921 Saab Description

CAN Data Bus ECM is the generic description for the P1921 Saab code, but the manufacturer may have a different description. Currently we have no further information abouth the P1921 Saab OBDII code. Please post your question on our "Questions" section for more information: AutoCodes.com Questions.
OBDII Code P1921 Saab - CAN Data Bus ECM - AutoCodes.com

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P1921 SAAB Comments

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