DTC 562

Possible Causes

• •Battery voltage at ECM is less than 18.0 volts for longer than 5 seconds (with key on and engine speed greater than 1000 RPM)
• •ECM detects system voltage less than 18.00 volts while the alternator should be charging
• •Fault is Intermittent
• •Faulty Vba t power or ground circuit to ECM
• •Faulty battery
• •Faulty charging system
• •Faulty ECM

Suggested Actions

1. 1Perform the On-Board (OBD) System Check
2. 2Key ON, Engine On, System Mode = 'Running', Operate engine at Idle
3. 3Check battery voltage in DST
4. 4Using a DVM measure the voltage potential across battery (+) and (-)

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