17978/P1570/005488: Difference between revisions
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Table Of Contents
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1.
17978/P1570/005488 - Engine Start Blocked by Immobilizer
- 1.1.1 Possible Symptoms
- 1.2.1 Possible Causes
- 1.3.1 Possible Solutions
- 1.4.1 Special Notes
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==== Possible Solutions ==== | ==== Possible Solutions ==== | ||
* Check for Fault Codes in Immobilizer itself (part of Instrument Cluster in many cars, but separate Immobilizer Control Module in some) | |||
* Check Immobilizer Measuring Values (usually in Instrument Cluster OR Immobilizer Control Module) | * Check Immobilizer Measuring Values (usually in Instrument Cluster OR Immobilizer Control Module) | ||
* [[Diagnostic Procedures#Immobilizer Information|Match Key(s)/Instrument Cluster/Engine Control Unit (ECU)]] | * [[Diagnostic Procedures#Immobilizer Information|Match Key(s)/Instrument Cluster/Engine Control Unit (ECU)]] | ||
Revision as of 17:39, 21 January 2009
17978/P1570/005488 - 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
- Check for Fault Codes in Immobilizer itself (part of Instrument Cluster in many cars, but separate Immobilizer Control Module in some)
- Check Immobilizer Measuring Values (usually in Instrument Cluster OR Immobilizer Control Module)
- 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, in rare occasions it helps to try cold-booting the car. Remove both battery cables from the battery. Short the battery cables together (away from the battery) for about 15 seconds. Reconnect the battery. (Example)