DTC Troubleshooting: P154A
DTC P154A: Battery Sensor Internal Failure
NOTE: Before you troubleshoot, review the general troubleshooting information.

DTC Description
Confirmed DTC
Pending DTC
Freeze Frame
P154A Battery Sensor Internal Failure
      

1.
Problem verification:

Problem verification
?1.
Turn the vehicle to the ON mode.

?2.
Clear the DTC with the HDS, and wait 5 seconds.


?3.
Check for Pending or Confirmed DTCs with the HDS.
DTC Description
Confirmed DTC
Pending DTC
Freeze Frame
P154A Battery Sensor Internal Failure
      

Is DTC P154A indicated?

     
YES
     
     
     
The failure is duplicated. Replace the 12 volt battery sensor.?
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the 12 volt battery sensor, the alternator, and the PCM. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.?