LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2007 >> SX4 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 153 (Immobilizer System) >> Diagnostic Information And Procedures >> DTC P1638: Immobilizer Information Mismatched >> DTC Detecting Condition and Trouble Area
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detecting Condition and Trouble Area

WARNING: This page is about a different car, the 2007 Suzuki Grand Vitara and 2006 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION AND TROUBLE AREA REFERENCE

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
scientia non olet · About LEMON Manuals