DTC P0562 (15) (Battery Condition Monitor Module A)
DTC P0562 (15): Battery Condition Monitor Module A System Voltage Low
General Description
The battery condition monitor module A monitors the voltage of back-up power supply. When the back-up power supply voltage is a specified voltage for a set time, a malfunction is detected and a DTC.
Monitor Execution, Sequence, Duration, DTC Type
| Execution | Continuous |
| Sequence | None |
| Duration | 2.0 seconds or more |
| DTC Type | One drive cycle, MIL on, POWER SYSTEM indicator on, 12 volt battery charging system indicator off |
Enable Conditions
| Condition | Minimum | Maximum |
|---|---|---|
| 12 volt battery voltage | 7.7 V | - |
Malfunction Threshold
The back-up power supply voltage is 0.5 V or less for at least 2.0 seconds.
Possible Cause
- Battery condition monitor module A VBU line open (include fuse blown)
- Battery condition monitor module A failure
Diagnosis Details
Conditions for setting the DTC
When a malfunction is detected, the MIL and the POWER SYSTEM indicator comes on and a Pending DTC, a Confirmed DTC, and the freeze data are stored in the battery condition monitor module A memory.
Conditions for clearing the DTC
The MIL and the POWER SYSTEM indicator are cleared if the malfunction does not return in three consecutive trips in which the diagnostic runs. The MIL and the POWER SYSTEM indicator, the Pending DTC, the Confirmed DTC, and the freeze data can be cleared with the scan tool Clear command or by disconnecting the 12 volt battery.