P0705 Code Definition
- Transmission Range Sensor Circuit Malfuntion (PRNDL input)
- P0705 Mercedes-Benz - 0 votes. Asked Jul 5, 2015 by anonymous. I would like to know if there is (or could be) a correlation between the 'electrical.
- Aligned the switch and assembly. The code is 2067 ME error, stored in egs control unit (p0705). It shows p# 112-153-08-79. When I try to digital test the EGS w/MB Soft 7.3 a few times it wasn't found or didn't respond, then I got a p240c for p# 030-545-23-32.
En este video se diagnostica un scion xb 2006.
- Check Engine Light will illuminate
- Vehicle may not shift properly
- Vehicle may not go into gear
- Decrease in fuel economy
- In unusual cases, there are no adverse conditions noticed by the driver
- In some cases, there may be performance problems
1999 Mazda Protege LX - P0705 I Just Bought This Car, And The Dealer I Got This From Is Far From Reputable But I Have Crappy Credit So I Didn't Have Much Of A Choice. Now Here Is Where The Problem..
- Defective Transmission Range Sensor (PRNDL input)
- Defective Transmission Range Sensor (PRNDL input) wiring or connector
- Defective Valve Body
- Defective manual shift valve linkage
- Dirty transmission fluid that restricts the hydraulic passages
P0705 Mercedes C230 Kompressor
- Engine Misfire problem
- Internal Transmission problem
- Driveline problem
Polluting Gases Expelled
- HCs (Hydrocarbons): Unburned droplets of raw fuel that smell, affect breathing, and contribute to smog
- CO (Carbon Monoxide): Partially burned fuel that is an odorless and deadly poisonous gas
- NOX (Oxides of Nitrogen): One of the two ingredients that, when exposed to sunlight, cause smog
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The purpose of the automatic transmission is to match the engine’s optimum power and torque characteristics to the driver’s desired rate of acceleration and speed by auto-selecting different gear ratios or ‘speeds’ to power the wheels. The Transmission Range Sensor (also referred to as the PRNDL input and/or neutral safety switch) tells the transmission control module (TCM) and the powertrain control module (PCM) that the transmission is in park, reverse, neutral, drive, low, 2nd, 3rd etc. It is attached directly to the manual valve of transmission, so when the shift lever is moved from park to drive, the Transmission Range Sensor communicates this critical information to the above mentioned vehicle computer systems.
P0705 Diagnostic Theory for Shops and Technicians
When the code P0705 is set in the Powertrain Computer, it means that the Powertrain Computer or PCM is not seeing a clear, rational change in the data and electrical signals sent from the Transmission Range Sensor, especially after the vehicle is in motion. For example, the vehicle is going 25 mph (as reported by the vehicle speed sensor) but the Range Sensor may be reporting that the transmission is still in park. This is an irrational (or impossible) condition. How could the vehicle be going 25 mph and be in park at the same time?
When diagnosing a P0705 code, it is important to record the freeze frame information and then to duplicate the code setting conditions with a test drive at speeds around 15-35 mph. Start out from a dead stop and gently accelerate. Watch the scan data to see if the Range Sensor is reporting accurate information to the TCM and PCM. If the Range Sensor is giving erroneous information or no information to the TCM/PCM, then you may have located a problem that could set the P0705 code. The next step is to start doing pinpoint tests i.e voltage drops and continuity tests of the Transmission Range Sensor. I generally back probe the Range Sensor, so I bypass the wiring harness. This accomplishes 2 things, I’m isolating the sensor from the wring harness and checking the quality of the connector and it’s connection. And, ALWAYS check the condition of the fluid. Is it dirty, brown and burnt or is it that clear cranberry color?