TVR 390 B0630 Code:

OBD-II Diagnostic Body (B) Trouble Code

Trouble In TVR 390 B0630 Possible Cause

The reason of TVR 390 B0630 is system wiring, connectors, or other electrical components are also subject to failure. When this code is set, it is imperative that the transmission be checked prior to further vehicle operation.

Common Symptoms For TVR 390 B0630

  1. If the control solenoid functions properly and all circuits coincide with manufacturer's specifications, suspect a defective high pressure pump, torque converter, or PCM
  2. If either the reference voltage or ground circuits are open, use the digital volt/ohmmeter to check for continuity (disconnect all related control modules from the circuit before checking circuit resistance or controller damage may occur) and resistance in all circuits
  3. Several tools will be instrumental in successfully diagnosing this code
  4. If the code fails to immediately return, you may have an intermittent condition

Similar Problems

Auxiliary Emission Controls
Crankshaft Position Sensor Circuit Performance
Transmission Engaged At High Throttle Angle

TVR 390 B0630 Troubleshooting

Having one of the signs of a bad gasket is usually not enough to prove a failure of a gasket, but multiple symptoms are most likely the result of gasket failure. It is advisable to have the vehicle driven as little as possible whenever the symptoms occur. Depending on the symptoms, either have the gasket replaced or repaired.
The cost of replacing a gasket usually varies from one mechanic to the other. Replacing a gasket is quite expensive in modern engines due to their location and the amount of labor that is required to replace them. TVR 390 B0630 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 TVR 390 B0630 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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