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Home >> Chevrolet >> 2000 >> Camaro Base, 2D Convertible, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P1381: Misfire Detected - No Communication With Brake Control Module >> Diagnostic Procedures
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Diagnostic Procedures

  1. Perform On-Board Diagnostic (OBD) system check. See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK . After performing OBD system check, go to next step.
  2. Turn ignition on. Using scan tool, select CHASSIS APPLICATION and attempt to display ABS DATA. If ABS DATA is displayed, go to next step. If ABS DATA is not displayed, go to step  4.
  3. Check serial data circuit for open or faulty connection between EBCM and PCM. Repair as necessary. If circuit or connection is okay, see DIAGNOSTIC AIDS .
  4. Turn ignition off. Disconnect EBCM harness connector. Turn ignition on. Using a DVOM, check voltage on EBCM harness connector serial data circuit. If voltage reading is 1-5 volts, go to next step. If voltage reading is not 1-5 volts, go to step  6.
  5. Check for faulty connection at EBCM. Repair as necessary. After repairs, go to step  7. If connection is okay, go to next step.
  6. Check for open serial data circuit to EBCM. Repair as necessary. After repairs, go to next step. If circuit is okay, perform ABS system diagnosis. See appropriate ANTI-LOCK article in BRAKES.
  7. Turn ignition on. Using scan tool, select CHASSIS APPLICATION and attempt to display ABS DATA. If ABS DATA is displayed, repair is complete. If ABS DATA is not displayed, return to step  4.
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