C1077 Volvo 142 OBD Code

OBD/2 C1077 error code description and symptoms.

The input turbine speed sensor detects rotation of the input shaft of the input shaft speed sensor transmission. The computer uses that information, along with the output shaft speed sensor to determine if the transmission is operating according to plan. If the computer detects a difference between the input shaft speed , and the expected output shaft speed, it will adjust transmission pump pressure to prevent clutch disc slip. If adding pressure doesn't solve the problem, it will set a trouble code.

Gear changes are accomplished by a command from the TCM to energize the clutch actuator to release the clutch; after which various actuators inside the transmission disengage the current gear, and depending on current operating conditions, engage the next higher or lower gear ratio. All of this happens much faster than a human driver could change gears, and in most applications, gear changes are as smooth and seamless as on any fully automatic transmission.

C1077 Volvo 142 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine C1077 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 speed vehicle signal circuit failure 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 speed vehicle signal circuit failure.

Common Causes of Volvo 142 C1077 OBD2 Code

A common cause of code C1077 is the failure of Speed Vehicle Signal Circuit Failure, but there are several other possible causes as well, such as ;

Faulty Air Flow Meter
Faulty spark plug (s)
Faulty Mass Air Flow (MAF) sensor
Foreign matter caught in fuel filler cap

C1077 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

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

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C1077 Volvo 142 OBD Code

C1077 Volvo 142 Error Code Repair Process :

Common Causes of Volvo 142 C1077 OBD2 Code

C1077 code for other Volvo cars