July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
DTC P2507:00: Notes
DTC P2507:00
PCM battery voltage low input
DETECTION CONDITION
The PCM monitors the voltage of the backup battery positive terminal. If the PCM detects that the battery positive terminal voltage is 2.5 V or less
for 5 s
, the PCM determines that the backup voltage circuit has a malfunction.
Diagnostic support note
This is a continuous monitor (CCM).
The MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
FREEZE FRAME DATA (Mode 2)/Snapshot data is available.
The DTC is stored in the PCM memory.
POSSIBLE CAUSE
Battery malfunction
PCM connector or terminals malfunction
Short to ground or open circuit in PCM power supply circuit
Short to ground in wiring harness between MAIN 200 A fuse and PCM terminal 1BC
MAIN 200 A fuse and/or EGI 10 A fuse malfunction
Open circuit in wiring harness between battery positive terminal and PCM terminal 1BC