P0562

PINPOINT TEST 2: DTC P0562 - SYSTEM VOLTAGE LOW OR BATTERY IS DISCHARGED

Normal Operation

With the engine running, the charging system supplies voltage to the battery and the vehicle electrical system through the battery B+ cable. The PCM monitors this voltage through the battery positive post through the Battery Junction Box (BJB). If this voltage drops 1.5 volts or more below the generator voltage desired, this DTC will be set after 30 seconds.

- DTC P0562 (System Voltage Low) - If the PCM detects a voltage from the charging system that is 1.5 volts lower than the generator voltage desired, this DTC will be set.

Possible Causes
- Fusible link
- Wiring, terminals or connectors
- Radial arm adapter
- Battery
- Generator
- PCM

Diagnostic Procedure

NOTE:Make sure battery voltage is greater than 12.2 volts prior to carrying out this pinpoint test.
NOTE:Do not have a battery charger attached during vehicle testing.