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DTC P1177 - Synchronization

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P1177 - SYNCHRONIZATION

Description:  This DTC sets when there is an intermittent loss of camshaft to crankshaft synchronization for at least 5 or more occurrences with the engine running.
Possible Causes: 
  • Damaged crankshaft position (CKP) sensor
  • Damaged ignition pulse crankshaft sensor ring
  • Damaged camshaft position 11 (CMP11) sensor
  • Damaged CMP11 sensor target wheel
  • Damaged PCM
Diagnostic Aids:  The camshaft to crankshaft synchronization can be monitored by accessing the SYNC PID on the scan tool.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST D .
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