No CCD Communications

Connect scan tool to DLC. DLC is located above hood release handle on driver's kick panel. Select BODY SYSTEM, BODY COMPUTER on scan tool. If one of the following messages are displayed on scan tool, go to appropriate diagnostic procedure.

• BUS OPERATIONAL. Test is complete.
• NO RESPONSE (BCM). Go to BATTERY POWER TO MODULE DISCONNECT; IGNITION VOLTAGE TOO LOW; NO RESPONSE FROM BCM (BAT PWR DISCON'D); BATTERY POWER TO MODULE .
• SHORT TO BATTERY. Go to CCD SHORT TO BATTERY .
• SHORT TO 5 VOLTS. Go to CCD SHORT TO 5 VOLTS .
• SHORT TO GROUND. Go to CCD SHORT TO GROUND .
• BUS (+) & BUS (-) SHORTED TOGETHER. Go to BUS (+) & BUS (-) SHORTED TOGETHER .
• NO TERMINATION. Go to NO TERMINATION .
• BUS BIAS LEVEL TOO LOW. Go to BUS BIAS LEVEL TOO HIGH; BUS BIAS LEVEL TOO LOW .
• BUS BIAS LEVEL TOO HIGH. Go to BUS BIAS LEVEL TOO HIGH; BUS BIAS LEVEL TOO LOW .
• NO BUS BIAS. Go to BUS (+) & (-) OPEN; BUS (+) OPEN; BUS (-) OPEN; NO BUS BIAS .
• BUS (+) OPEN. Go to BUS (+) & (-) OPEN; BUS (+) OPEN; BUS (-) OPEN; NO BUS BIAS .
• BUS (-) OPEN. Go to BUS (+) & (-) OPEN; BUS (+) OPEN; BUS (-) OPEN; NO BUS BIAS .
• BUS (+) & (-) OPEN. Go to BUS (+) & (-) OPEN; BUS (+) OPEN; BUS (-) OPEN; NO BUS BIAS .
• NOT RECEIVING BUS MESSAGE CORRECTLY. Go to NOT RECEIVING BUS MESSAGES PROPERLY .