P0A86 Possible Causes
Faulty 14-volt power module current sensor
14-volt power module current sensor harness is open or shorted
Poor electrical connection in 14-volt power module current sensor circuit
What Does It Mean?
How to Fix Code P0A86
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
P0A86
Symptoms
Possible
Check Engine Light illuminated (or Service Engine Soon warning light)
P0A86 Meaning
The Engine Control Module (ECM) monitors the 14-volt power module current sensor. The ECM sets the OBDII code when the 14-volt power module current sensor does not meet factory specifications.
OBDII Code P0A86 – 14-Volt Power Module Current Sensor Circuit