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Home >> Jeep >> 2005 >> Wrangler X, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 627 (Powertrain Diagnostic Procedures - DRIVEABILITY - Gas - Symptom & Diagnostic Tests (DTCS P0031 To P1899)) >> DRIVEABILITY - Gas - Symptoms >> Symptom: *BRAKE SWITCH SENSE STATUS DOES NOT CHANGE ON DRBIII® (GAS - EXCEPT NGC) >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2004 Dodge Pickup and 2004 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. DRBIII® DOES NOT SHOW BRAKE SW PRESSED OR RELEASED
  2. (A108) FUSED B+ CIRCUIT OPEN
  3. (Z241) BRAKE LAMP SWITCH GROUND CIRCUIT OPEN
  4. BRAKE LAMP SWITCH
  5. (K29) BRAKE LAMP SWITCH SIGNAL CIRCUIT OPEN
  6. (K29) BRAKE LAMP SWITCH SIGNAL CIRCUIT SHORT TO GROUND
  7. (K29) BRAKE LAMP SWITCH SIGNAL LESS THAN 10.0 VOLTS
  8. (V32) S/C POWER SUPPLY CIRCUIT BELOW 10 VOLTS AT BRAKE SWITCH CONN
  9. PCM
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