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Diagnostic System Check

  1. Install scan tool. If scan tool powers up, go to next step. If scan tool does not power up, see SCAN TOOL DOES NOT POWER UP in BODY CONTROL MODULES - SEVILLE article.
  2. Turn ignition on, engine off. Try to establish scan tool communication with Driver Door Module (DDM). If communication with DDM is established, go to next step. If communication with DDM is not established, see SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE in BODY CONTROL MODULES - SEVILLE article.
  3. Select display DTC function for DDM. Record all displayed DTCs, status of displayed DTCs and module that set the DTC. If DTCs are displayed, see DIAGNOSTIC TROUBLE CODE INDEX  table. If no DTCs are displayed, see SYMPTOM TESTS  .
DIAGNOSTIC TROUBLE CODE INDEX

DTC (1) Description
B1656  EEPROM Write Error
B1982  Source/Battery Voltage Too High
B1983  Source/Battery Voltage Too Low
B2200  Left Front Window Switch In Master Switch Assembly Stuck In Up Position
B2201  Left Front Window Switch In Master Switch Assembly Stuck In Down Position
B2202  Right Front Window Switch Stuck In Up Position
B2203  Right Front Window Switch Stuck In Down Position
B2204  Left Rear Window Switch Stuck In Up Position
B2205  Left Rear Window Switch Stuck In Down Position
B2206  Right Rear Window Switch Stuck In Up Position
B2207  Right Rear Window Switch Stuck In Down Position
B2212  Right Front Window Switch In Master Switch Assembly Stuck In Up Position
B2213  Right Front Window Switch In Master Switch Assembly Stuck In Down Position
B2214  Left Rear Window Switch In Master Switch Assembly Stuck In Up Position
B2215  Left Rear Window Switch In Master Switch Assembly Stuck In Down Position
B2216  Right Rear Window Switch In Master Switch Assembly Stuck In Up Position
B2217  Right Rear Window Switch In Master Switch Assembly Stuck In Down Position
B3203  Rear Window Lock-Out Switch Stuck High
B3282  Right Front Door Express Down Shorted To Ground
B3287  Left Rear Door Express Down Shorted To Ground
B3292  Right Rear Door Express Down Shorted To Ground
B3467 (2) Driver's Door Express Down Shorted To Ground
B3472 (2) Passenger Door Express Down Shorted To Ground
B3477 (2) Left Rear Door Express Down Shorted To Ground
B3482 (2) Right Rear Door Express Down Shorted To Ground
U1161  Loss Of Right Front Door Module Simple Bus Serial Data
U1162  Loss Of Left Rear Door Module Simple Bus Serial Data
U1163  Loss Of Right Rear Door Module Simple Bus Serial Data
U1170  Loss Of Master Switch Assembly Simple Bus Serial Data
UXXXX (3)
(1) For DTCs not listed, see BODY CONTROL MODULES - SEVILLE article for description and testing procedures.
(2) Replace master switch assembly.
(3) For any DTC beginning with the letter "U", see SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE in BODY CONTROL MODULES - SEVILLE article.