P0A7A BMW Fault Code
Check P0A7A OBD Fault Code ReasonBrake Switch Circuit Input Malfunction Indicates PCM did not receive a brake pedal position (BPP) input. Open or short in BPP circuit Open or short in stoplamp circuits damaged PCM Malfunction in module(s) connected to BPP circuit.
(Rear Electronic Module [REM] Windstar and LS6/LS8 or Lighting Control Module (LCM) Continental and Town Car. Damaged brake switch Misadjusted brake switch Check for proper function of stoplamps.
P0A7A Code Symptoms :
When you turn on the ignition, the Service Engine Soon or Check Engine P0A7A light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the P0A7A!
Diagnosis And Repairing P0A7A
P0A7A 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 fix P0A7A code ?
- Damaged ECM
- Camshaft advance mechanism binding (VCT unit)
- Ignition coils harness is open or shorted
- Faulty TCM or TCM programming
Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code P0A7A, so consult the manual to locate the brake fluid reservoir.
Bear in mind that a low fluid level can set code P0A7A on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.
