P07B7 OBD Error Code: Problem & Solutions

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The trouble code P07B7 can be described as Transmission Park Position Sensor/Switch "A" Circuit Intermittent/Erratic. This code is a powertrain diagnostic trouble code. It would apply to the OBD-II vehicles which have a transmission park position switch/sensor. They include but at the same time are not restricted to the automobiles from Dodge, Ford, Toyota, Land Rover, VW, Chevrolet, etc.

Their steps for repairing would vary as it all depends upon the year, make, model and powertrain configuration. The fault code P07B7 is one of several possible codes associated to the Transmission Park Position Sensor/Switch "A" Circuit.

Error code P07B7 flashing? Steer to our amazing website for a wide range of automobile parts and accessories. We won’t let you down in any way as for us our customers are everything. Visit us as fast as you can. The main motive of the transmission park position sensor/switch "A" circuit is to detect the overall status of the transmission. 

Now when the transmission would be placed into the park position, a signal would be sent to the powertrain control module by this circuit. Depending upon a particular vehicle, the circuit is generally a safety feature to prevent the starter from engaging with the automatic transmission in gear.

What causes this problem with the Transmission Park Position Sensor/Switch "A" Circuit Intermittent/Erratic?

• The connector might wear down
• Faulty transmission park position sensor/switch
• There can be distorted wiring
• The powertrain control module might be damaged

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2. Manifold Absolute Pressure Sensor - A broken Manifold Absolute Pressure Sensor can cause a lot of issues. It would be nice if you get it replaced on time.
3. Idle Air Control Valve - Everything is fine with the engine control module and still OBD code P07B7 flashing? Then there is definitely some fault with the Idle Air Control Valve. Get it checked and replace if needed.
4. EGR Valve Gasket - EGR Valve Gasket is an important car part which should never be neglected. May be there is some fault in it due to which P07B7 code may start flashing.
5. Oxygen Sensor - A faulty Oxygen Sensor can be troublesome. You can always rely on us as we have best auto parts for our customers.
6. Air Fuel Ratio Sensor - P07B7 code does not really end up spoiling your EGR Valve Gasket, but it might also accompany few Air Fuel Ratio Sensor issues. We have best Air Fuel Ratio Sensor with us.
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We care for our customers and that’s why we can totally understand your problem. That’s the reason why we have listed out some major symptoms behind the flashing up of OBD Code P07B7. They are mentioned here as follows:

Common Symptoms

• Transmission may not transfer out of park
• Starter might be captive with the vehicle in gear
• The service engine soon light can start lighting up
• There can be a problem of transmission not moving into park
• Issues to begin the car
• Check engine light might come into signal

If you wish to correct this fault code, then you have to follow certain steps. Correcting a problem needs your careful attention. Here are some ways with the help of which you will be able to correct the OBD Code P07B7:

• Make sure to mend the faulty powertrain control module
• You must fix the defective camshaft sensor
• Repair or replace the inoperative spark plug wires and/or coils
• The leakage in the vacuum should be repaired
• Restore the flawed distributor cap and rotor button, as well as wires, coils, and plugs
• The malfunctioning oxygen sensor should be repaired or replaced as per the need
• Carefully adjust the faults in the EGR valves and/or tubes
• Make sure to mend the clogged throttle position sensor
• Repair or replace the quirky internal engine components
• Diagnose the then carefully repair the other related trouble codes
• Replace or repair the leaking head gaskets
• It is essential to restore the flawed spark plugs
• Repair or replace the quirky crankshaft sensor
• Rehabilitate the defaults in the mass air flow sensor
• Rehabilitate the defaults in the catalytic converter
• You must fix the defective fuel injectors

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Do you wish to diagnose P07B7 error code easily? Here are some steps which you should follow in order to diagnose this fault code:

• It is essential to carefully pinpoint all of the components associated with the transmission park position sensor/switch "A" circuit. This will include the transmission park position sensor/switch, wiring, connectors and the PCM on a simplex system.
• It all depends upon the specific year, make and model of the vehicle this circuit may incorporate more components.
• After these components are located, a thorough visual inspection should be conducted to check all of the associated wiring and connectors for obvious defects such as scraping, rubbing, bare wires or burn spots.
• The connectors should also be checked for corrosion build up or damaged pins. The advanced steps become very vehicle specific and require the appropriate advanced equipment to perform accurately.
• These procedures require a digital multimeter and the specific technical references for the vehicle. Voltage requirements will vary depending upon the specific year, make and model of the vehicle.
• The requirements of the voltage would differ depending upon the specific vehicle, the transmission park position sensor/switch circuit configuration and the components incorporated.
• Technical data should be referenced to obtain the correct voltage range for the transmission park position sensor/switch and the appropriate troubleshooting sequence to follow.
• The right voltage input to a sensor/switch with no voltage output generally indicates internal failure. If the absence of a power source or ground is identified, continuity testing may be needed to check the overall condition of the wiring and connectors.
• Continuity tests are always performed with the power removed from the circuit and the normal readings should be 0 ohms of resistance unless otherwise specified by the technical data.
• Resistance or no continuity indicates defective wiring or connectors that are shorted or open. Make sure that you repair them properly or get the replaced.

Common Mistakes When Diagnosing The P07B7 Code

• Faulty wiring
• Negligence in the powertrain control module
• Non-performance of the transmission park position sensor