P0706 OBD Error Code: Problem & Solutions
OBD Code P0706 - Transmission Range Sensor A Circuit Range/Performance
Want
to crack the OBD error code P0706? Well, here’s how you can diagnose the error
code P0706. This generic powertrain code P0706 is associated to the
transmission and is non-emission related. The code is stored when the engine
control module (ECM) fails to receive the correct data from the transmission
sensor i.e. the transmission range sensor transmits the incorrect data. This
code is strictly valid to vehicles that have an automatic transmission.
Learn More about OBD Error Code P0706
It should be noted that a
transmission range sensor is also referred as a park/neutral switch or safety
switch. Attached to the manual valve of the transmission, the sensor constantly
communicates with the vehicle’s transmission control module and the ECM. The
transmission range switch performs the task of detecting the selector lever
position whether it is in park or neutral and further transmits the signal to
the transmission control module. All this is done to make sure that the vehicle
starts in the park and neutral position.
When the transmission
does not receive clear data from the transmission range sensor, the code P0706
is stored. Most of the times, when the vehicle is in motion and registers that
it is travelling at a speed that fails to match what the ECM sees as the
current shift position (like travelling at any speed even when the transmission
is reporting it is still in park or neutral).
What
causes this problem with the Transmission Range Sensor A Circuit
Range/Performance?
- A dirty or an inferior
quality transmission fluid
- Distorted park/neutral
position switch
- Defective or misadjusted
park/neutral position switch
- A transmission range
sensor that is damaged
- Wirings to the
transmission range sensor short circuited or damaged
- A distorted valve body
- Defective manual shift
valve linkage
- Park/neutral position
switch harness open or short circuited
- A poor electrical
connection to the park/neutral position switch circuit
- Faulty control cable
- In a rare case, a faulty
ECM
Replace/Repair These Parts to Fix OBD Code P0706
- Automatic Transmission
Parts
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- Transmission Fluid - Dirty or inferior quality transmission fluid is hazardous. It
should be replaced immediately in order to overcome the complications caused by
the error code P0706.
- Park Neutral Switch - A defective or a misadjusted park neutral switch can be an
essential reason triggering the error code P0706. Replace or repair now. We are
just a click away!
- Transmission Range Sensor - Facing the error code P0706? An inferior quality transmission
range sensor can always be hazardous for the system also it is one of the
primal causes behind the occurrence of the error code P0706. Tune into Parts
Avatar for supreme quality transmission range sensor at economical prices.
- Powertrain Control
Module
- abbreviated PCM; this is an
integral control unit. So, a defective one should be changed immediately.
- Engine Control Module - A distorted engine control module can end up being the chief host
inviting the Error Code P0706. So, replacing one can be one of the wisest
decisions to avoid a problematic system.
- Automatic Transmission
Module
- Having problems with the automatic
transmission module? Don’t you worry, Parts Avatar has it all. A faulty automatic
transmission module could end up being the root cause behind the Error code
P0706.
Symptoms of OBD Error Code P0706
Curious
to know the symptoms to the OBD code P0706? If yes, then you have arrived at
the right place. We at Parts Avatar have listed out few common symptoms
associated with Transmission Range Sensor A Circuit Range/Performance.
Common Symptoms
- An
illuminated check engine or warning light
- Bad
shifting
- Fall
in acceleration
- Unable
to switch gears
- Decreasing or bad fuel efficiency
- The
vehicle might enter the “limp” mode
How to Correct P0706 Transmission Range Sensor A Circuit Range/Performance
Have
a look at some ways with which you can correct the P0706 code:
- The
transmission fluid should be flushed and filled if required
- Any
distorted or faulty wiring and connectors should be repaired or replaced
- The
battery voltage levels should be checked
- Any
damaged circuits or connectors should be repaired or replaced
- All
the defective transmission range sensors should be restored or repaired
- Amendments
should be made to fix the damaged ECM (rare)
- All the codes should be cleared, the vehicle should be test driven, and rescanned to see if any codes are stored again
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Easy Diagnosis of Engine Error OBD Code P0706
Here
listed are some steps which you should follow in order to diagnose this P0706
fault code:
- An
OBD-II scanner should be used to verify a stored P0706 trouble code
- A
visual inspection should be performed of the range sensor and wiring harness for
any signs of damage
- Next,
visually inspect all wires and connectors linked to the transmission range
sensor and ECM for any defects
- Make
sure whether if the vehicle will start while in the reverse shift position or
drive shift position
- The
codes should be cleared, the vehicle should be test driven to see if code
appears again
- The circuits continuity and resistance should be checked too
Common Mistakes When
Diagnosing the P0706 Code
Want
to diagnose the error code accurately? Well, we have listed here a few general
mistakes that should be avoided
The
most basic mistake committed while diagnosing this code occurs from a failure
to follow the OBD-II trouble code protocol. It is highly essential for the
technicians to always abide by the protocol in step-by-step order to avoid
faulty repairs and ensure a precise investigation. Most of the times the PCMs
are replaced without first checking to see if they merely require
reprogramming.