17978/P1570/005488

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17978/P1570 - Engine Start Blocked by Immobilizer

Possible Symptoms

  • Engine starting but stalling immediately

Possible Causes

  • Key(s) not matched
  • Instrument Cluster not matched
  • Engine Control Unit (ECU) not matched
  • Engine Control Unit (ECU) Power Supply faulty

Possible Solutions

  • Match Key(s)/Instrument Cluster/Engine Control Unit (ECU)
  • Check Engine Control Unit (ECU) Power Supply (Relay)

Special Notes

  • If no other immobilizer related fault codes are stored and the immobilizer related meas. blocks are fine except Engine Start not allowed, try cold-booting the car. Remove both battery cables from the battery. Short the battery cables together (away from the battery) for aboyt 15 seconds. Reconnect the battery. (Example)
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