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Home >> Suzuki >> 2012 >> Grand Vitara Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Immobilizer Control System >> Diagnostic Information and Procedures >> DTC P1638: Immobilizer Information Mismatched >> DTC Detecting Condition and Trouble Area
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DTC Detecting Condition and Trouble Area

Detecting Condition Trouble Area
  • The immobilizer control system information in ECM and the one in BCM does not match.
  • The registration of the immobilizer control system information in ECM is failed.
  • Use of the wrong ECM
  • CAN communication wire circuits faulty
  • BCM faulty
  • ABS control module or ESP® control module faulty
  • ECM faulty
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