P0A8B Code:

OBD-II Diagnostic Powertrain (P) Trouble Code

Possible Cause

P0A8Bcode will be stored and a malfunction indicator lamp may be illuminated. Some vehicles will require multiple failure cycles in order for the malfunction indicator lamp to be illuminated.

Common Symptoms

  1. Repair or replace damaged, disconnected, shorted, or corroded wiring, connectors, and components as necessary
  2. Look for shorted or burned wiring and replace circuitry and connectors as required
  3. As the reluctor ring passes by the electro magnetic sensor, the 5-volt reference signal is completed with the protruding metal surfaces
  4. To perform a thorough diagnosis, any transmission leaks should be repaired and the transmission should be filled with the proper amount and type of fluid (if the fluid smells really "burnt" and you are experienced enough to detect it, you may go ahead and condemn the transmission)

Similar Problems

Transmission
TP Sensor Learn Not Complete
TFP Valve Position Switch-Drive Without Drive Ratio

P0A8B Troubleshooting

When you put your foot down on the brakes you expect your car to quietly slow down and come to a stop. The power your foot applies on the brake pedal is assisted by hydraulic pressure. Your foot's force engages a piston and caliper with brake pads attached (bonded abrasive and heat resistance metal or ceramic) to put pressure on the rotor. P0A8B OBD 2 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.

How to turn off P0A8B check engine light ?

There are two ways to turn off the check engine light:

A repair technician can do so once repairs have been made.
The OBD II can automatically turn it off when it fails to detect the problem after several diagnostic cycles.

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