P04B7 Volvo 440 OBD Code

OBD/2 P04B7 error code description and symptoms.

Output Shaft Speed sensor circuit intermittent failure The output shaft speed sensor signal to the PCM is irregular or interrupted.
Harness connector not properly seated Harness intermittently shorted, or open Harness connector damaged OSS sensor damaged, or not installed properly Verify harness and connector integrity Verify OSS sensor proper installation.

On some transmissions, such as automated manual transmissions or automatic transmissions with manual mode, the GSP switch lets the TCM know whether or not the driver has selected automatic or manual function. On manual transmissions, the GSP switch informs the TCM which gear the driver is selecting, and may function as a neutral safety switch, depending on system design. The TCM also uses the gate select position switch to monitor transmission operation. For example, if the driver selects manual mode and selects 3rd gear on an automatic transmission, the TCM may monitor speed sensors to detect clutch and brake slippage.

P04B7 Volvo 440 Error Code Repair Process :

For a/c refrigerant temperature circuit high check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. P04B7 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks a/c refrigerant temperature circuit high with your car's computers to find out exactly what's prompting the light to turn on.

Common Causes of Volvo 440 P04B7 OBD2 Code

A common cause of code P04B7 is the failure of A/C Refrigerant Temperature Circuit High, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Faulty Fuel injector
Ignition coils harness is open or shorted
Faulty Intake Valve Timing Control Solenoid Valve

P04B7 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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P04B7 Volvo 440 OBD Code

P04B7 Volvo 440 Error Code Repair Process :

Common Causes of Volvo 440 P04B7 OBD2 Code

P04B7 code for other Volvo cars