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Home >> Jeep >> 1995 >> Wrangler S, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Body Control Computer >> Self-Diagnostic Tests >> Test 1B - Identifying DTCS
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Test 1B - Identifying DTCS

CAUTION: Always turn ignition off prior to disconnecting or connecting any module connector.
NOTE: Perform TEST VER-1B  after each repair.
  1. If scan tool displays NO VOLTAGE AT PIN 16 OF BODY COMPUTER, go to TEST 106A . If scan tool does not display NO VOLTAGE AT PIN 16 OF BODY COMPUTER, go to next step.
  2. If scan tool displays ODOMETER TEST FAILURE, replace BCM. If scan tool does not display ODOMETER TEST FAILURE, go to next step.
  3. If scan tool displays WRONG BODY COMPUTER, install correct BCM. If scan tool does not display WRONG BODY COMPUTER, go to next step.
  4. If scan tool displays EEPROM CHECKSUM FAILURE, use scan tool to check turn signal chime. If scan tool displays DISABLED, use scan tool to enable turn signal. Turn ignition off and go to next step.
  5. Turn ignition on. Using scan tool, read DTCs. If EEPROM CHECKSUM FAILURE DTC returns, replace body control computer.