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Test M: Remote Transmitter Does Not Lock/Unlock Doors (DTC B2425)

  1. Lock and unlock vehicle using driver's door lock switch. If all doors and liftgate lock and unlock correctly, go to next step. If any door or liftgate door lock does not operate correctly, perform TEST D: ALL DOOR LOCKS INOPERATIVE FROM ONE SWITCH (DTC B1309, B1341, B2474 & B2475)  .
  2. Using New Generation Star (NGS) tester, monitor Remote Keyless Entry (RKE) module function test TRANSMITTER TIC/DATA, and record alpha-numeric codes. If 2 Transmitter Identification Codes (TIC) are stored in individual memory location (TIC1, TIC2, TIC3 or TIC4), go to next step. If 2 TICs are not stored in individual memory location, program remote transmitters. See PROGRAMMING  .
  3. Using NGS tester, monitor RKE module function test TRANSMITTER TIC/DATA, while pressing remote transmitter lock and unlock buttons. If 8-digit alpha-numeric code appears for LAST TIC RECEIVED and LAST DATA RECEIVED matches button pressed, go to next step. If 8-digit alpha-numeric code does not appear for LAST TIC RECEIVED and LAST DATA RECEIVED does not match button pressed, go to step  6 .
  4. Using NGS tester, monitor RKE module function test TRANSMITTER TIC/DATA, while pressing remote transmitter lock and unlock buttons. If 8-digit alpha-numeric code appears for LAST TIC RECEIVED and LAST DATA RECEIVED matches button pressed, go to next step. If 8-digit alpha-numeric code does not appear for LAST TIC RECEIVED and LAST DATA RECEIVED does not match button pressed, go to step  6 .
  5. Using NGS tester, monitor RKE module function test TRANSMITTER TIC/DATA. While pressing remote transmitter lock and unlock buttons, within 30 seconds of pressing second remote transmitter lock and unlock buttons. If 8-digit alpha-numeric code appears for LAST TIC RECEIVED and LAST DATA RECEIVED matches button pressed, system is synchronized. If 8-digit alpha-numeric code does not appear for LAST TIC RECEIVED and LAST DATA RECEIVED does not match button pressed, replace remote transmitter batteries. Program remote transmitters. See PROGRAMMING  .
  6. Using NGS tester, monitor RKE module function test TRANSMITTER TIC/DATA. If LAST TIC RECEIVED is one of TICs recorded in step  2 , go to next step. If LAST TIC RECEIVED is not one of TICS recorded in step  2 , program remote transmitters. See PROGRAMMING  .
  7. Using NGS tester, monitor RKE function test TRANSMITTER TIC/DATA, while pressing all buttons on second remote transmitter. If all buttons pressed on second remote transmitter create expected output value, go to next step. If any button pressed on second remote transmitter does not create expected output value, program remote transmitters. See PROGRAMMING  .
  8. Disconnect all RKE module harness connectors. Inspect for corrosion and pushed out pins. Connect all RKE module harness connectors. Operate system to verify if concern is still present. If concern is still present, replace RKE. Clear DTCs and repeat RKE self-test. If concern is not present, system is operating correctly at this time. Clear DTCs and repeat RKE self-test.
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