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P1566 Engine Code Repair

Meaning of P1566 engine trouble code is a kind of powertrain trouble code and when the check engine light comes P1566 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

P1566 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting

If one of these reasons for P1566 code is occuring now you should check P1566 repair processes.
Now don't ask yourself; What should you do with P1566 code ?
The solution is here :

P1566 Possible Solution:

P1566 Engine

Air Conditioning Pressure Sensor (ACP) Insufficient Pressure Change Each time the A/C clutch engages, the PCM is looking for a pressure change in the refrigerant. If the change in pressure is outside of the calibration the DTC will set. A/C system mechanical failure Open ACP or VREF circuit A/C sensor damaged A/C system electrical failure A/C clutch always engaged Verify A/C system function, including refrigerant charge.

P1566 Code Meaning :

P
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine

1
Fuel And Air Metering

5
O2 Sensor Heater Circuit Malfunction

6
Cylinder 1 Injector Circuit Low

6
Crankshaft Position Sensor B Circuit Malfunction

The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.

P1566 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1566 OBD-II Trouble Code Speed Control Command Switch Out of Range Low is one of the definitions for the P1566; however your vehicles manufacturer may have a different definition for the P1566 code. Please check below for you P1566 code.

Main reason For P1566 Code

The reason of P1566 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

P1566 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.