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Transmission solenoid P0748 Pressure Control Solenoid Valve A - Electrical fro rio 2004 , how can i deal with and which one is A?

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Posted on Jan 02, 2017

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SOURCE: jeep codes location of unit

Got me a complete manual for 199 jeep factory model and found location of each individual unit in question. Manual gives u possible solution to each code and repair and or replace. As a mechanic myself testing, trouble shooting and repair was not that difficult. Shift solenoid was very difficult to get to. Located under the head lamp passenger side.

Posted on Nov 19, 2008

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SOURCE: 06 Corolla Pressure Control Solenoid D Electrical Fault

There is a technical service bulletin to correct this condition. Replacement of the car's Electronic Control Unit (the computer) will cure this. Take it to a Toyota dealer and have them replace it for free.

Posted on Jun 09, 2009

  • 752 Answers

SOURCE: Pressure Control Solenoid P2716

have the code checked especially if the car is out of warranty. If it is still under warranty take the car to the dealership . The Pressure Control Solenoid determines the quality and accuracy of the shift points and if you let it go the transmission will not shift properly after a period of time. The pressure control solenoid is used by the PCM to raise the mainline hydraulic pressure during high throttle - this increases the holding force on the clutches and bands and prevents slipping. The pressure control solenoid is controlled by pulses from the PCM and this in turn operates the boost valve insde the valve body.

The problem could be either in the PCM or it could be an electrical problem with the solenoid. As suggested it should be diagnosed by a transmission tech. They can check if the PCM is good by looking at the pulses with an oscilloscope at the connector and they should also be able to test the continuity of the solenoid. If the solenoid is faulty the valve body will need to be removed and the solenoid replaced.
good luck

Posted on Apr 04, 2010

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SOURCE: PRESSURE CONTROL SOLENOID TO THE TRANSMISSION. I

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Posted on Aug 18, 2011

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SOURCE: how to replace pressure control solenoid p2616 toyota matrix 2007

You may not have to replace it yourself. I hope your car is under 80,000-100,000 miles there was a recall issued for that problem.
P2716 is caused by a bad Ecm, (engine control module,) Toyota has an upgraded ECM for this and are warrantying these for 8 years or 80k miles, Take it to the dealer and have them replace it for you, there should be no charge if the vehicle is under 80k miles according to service bulletin (41554a).

Posted on Nov 29, 2011

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2005 chevy malibu damage Light front end damcodend error codes P0401 P0605 P0842 P0642 The 0401 code is being thrown twice and I belive it is the egr wich is common on these cars from what my buddy tells...


DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient
Probably plugged passage's , not the EGR valve .
What type code reader are you using to read these codes ? I have factory service info. Doesn't show P0842 or P0642 , no such codes . You don't show what engine yours has , I'am assuming you have 3.5 L !
P0604
Control Module Random Access Memory (RAM)
PCM
DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 2.2L (L61)
or
DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 3.5L (LX9)

P0717
Input Speed Sensor Circuit Low Voltage
PCM
DTC P0717 in Automatic Transaxle - 4T40-E/4T45-E
P0741
Torque Converter Clutch (TCC) System - Stuck Off
PCM
DTC P0741 in Automatic Transaxle - 4T40-E/4T45-E
P0742
Torque Converter Clutch (TCC) System - Stuck On
PCM
DTC P0742 in Automatic Transmission - 4T40-E/4T45-E
P0748
Pressure Control (PC) Solenoid Control Circuit
PCM
DTC P0748 in Automatic Transmission - 4T40-E/4T45-E
P0751
1-2 Shift Solenoid (SS) Valve Performance - No First or Fourth Gear
PCM
DTC P0751 in Automatic Transmission - 4T40-E/4T45-E
P0752
1-2 Shift Solenoid (SS) Valve Performance - No Second or Third Gear
PCM
DTC P0752 in Automatic Transmission - 4T40-E/4T45-E
P0753
1-2 Shift Solenoid (SS) Control Circuit
PCM
DTC P0753 in Automatic Transmission - 4T40-E/4T45-E
P0756
2-3 Shift Solenoid (SS) Valve Performance - No First or Second Gear
PCM
DTC P0756 in Automatic Transmission - 4T40-E/4T45-E
P0757
2-3 Shift Solenoid (SS) Valve Performance - No Third or Fourth Gear
PCM
DTC P0757 in Automatic Transmission - 4T40-E/4T45-E
P0758
2-3 Shift Solenoid (SS) Control Circuit
PCM
DTC P0758 in Automatic Transmission - 4T40-E/4T45-E
P0815
Upshift Switch Circuit
PCM
DTC P0815 in Automatic Transmission - 4T40-E/4T45-E
P0816
Downshift Switch Circuit
PCM
DTC P0816 in Automatic Transmission - 4T40-E/4T45-E
P0826
Up and Down Shift Switch Circuit
PCM
DTC P0826 in Automatic Transmission - 4T40-E/4T45-E
P0973
1-2 Shift Solenoid (SS) Control Circuit Low Voltage
PCM
DTC P0973 in Automatic Transmission - 4T40-E/4T45-E
P0974
1-2 Shift Solenoid (SS) Control Circuit High Voltage
PCM
DTC P0974 in Automatic Transmission - 4T40-E/4T45-E
P0976
2-3 Shift Solenoid (SS) Control Circuit Low Voltage
PCM
DTC P0976 in Automatic Transmission - 4T40-E/4T45-E
P0977
2-3 Shift Solenoid (SS) Control Circuit High Voltage
PCM
DTC P0977 in Automatic Transmission - 4T40-E/4T45-E

Sometimes with code readers they get confused an just throw any old codes . Have it checked by someone with GM Tech 2 scan tool .

Aug 03, 2017 | Chevrolet Malibu Cars & Trucks

1 Answer

I have a 05 Malibu jerks to every shift. Flashing two codes together po748 and co561 what does it mean?


When the PCM detects a continuous open, short to ground or short to voltage in the PC solenoid valve circuit, then DTC P0748 sets. DTC P0748 is a type C DTC.
PC - pressure control solenoid .
The powertrain control module (PCM) uses the pressure control (PC) solenoid valve in order to regulate the transmission line pressure. The PC solenoid valve consists of an electrical connector, a coil, an armature, a regulating spring, and a poppet valve. The PC solenoid valve is attached to the control valve body. The PCM compares TP voltage, fluid temperature, gear states, and other inputs in order to determine the line pressure appropriate for a given load. The PCM regulates the pressure by applying a varying amperage to the PC solenoid valve. The applied amperage varies from 0.1 amps for maximum line pressure to 1.1 amps for minimum line pressure. The PCM then monitors the amperage at the return line.
C0561
System Disabled Information Stored
EBCM
DTC C0561 in Antilock Brake System This code is a result of the transmission code .
The electronic brake control module (EBCM) disables the traction control when other electronic control modules set DTCs for components that effect the operation of the traction control system.

Apr 09, 2017 | 2005 Chevrolet Malibu

1 Answer

Got p0748 p0108 code on my 04 honda odyssey. Car sat for about one year. Replaced fuel pump yesterday and it started right up. Can I get info on locations of where sensors are?


PO 748
service the transmission .....check solenoids

- Dirty transmission fluid - Low transmission fluid level - Faulty line pressure solenoid valve 'A' - Line pressure solenoid valve 'A' harness is open or shorted - Line pressure solenoid valve 'A' circuit poor electrical connection

Read more: http://www.autocodes.com/p0748.html

P0108
is the code for a problem with the MAP electrical circuit sensor having too high voltage input to the Engine Control Unit (ECU). This means that the voltage input to the ECU is too high and that it is not in the correct range for proper engine operation to work with inputs from the Mass Air Flow Sensor (MAF) and Throttle Position Switch (TPS). P0108 OBD II Trouble Code Manifold Air Pressure MAP Barometric Pressure...


odyssey map sensor is on the throttle body

Map sensor


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Nov 10, 2016 | Honda Cars & Trucks

2 Answers

I have Honda Accord 2001and I put the scanner this Code come out p1768 what this means


Possible causes
- Clutch Pressure Control Solenoid Valve harness is open or shorted
- Clutch Pressure Control Solenoid Valve circuit poor electrical connection
- Faulty Clutch Pressure Control Solenoid Valve

Has to do with the solenoid or wiring to the solenoid inside the transmission. You should have the problem addressed at a transmission shop.

Feb 11, 2015 | Honda Cars & Trucks

1 Answer

My 2004 Toyota slips in first gear and it shows a p0776 code. What could the problem be?


Possible causes
- Low transmission fluid level
- Dirty transmission fluid
- Faulty line pressure solenoid 'B' valve
- Line pressure solenoid 'B' valve harness is open or shorted
- Line pressure solenoid 'B' valve circuit poor electrical connection
Tech description
When the a transmission solenoid is stuck off, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. If the transmission fluid is very dirty, it is recommend changing the transmission fluid and if possible removing the transmission pan for further diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a transmission mechanical failure and that the transmission will need to be rebuilt or replaced.

Oct 30, 2013 | 2004 Toyota RAV4

2 Answers

Trouble code p0758 on a 2004 kia rio


The solenoids are inside the transmission.

Feb 23, 2013 | 2004 Kia Rio

2 Answers

VW Passat Code P0748



Trouble Code: P0748

Pressure Control Solenoid Electrical
Possible Causes:


Pressure control solenoid circuit is shorting to ground Pressure control solenoid circuit is open Valve has failed TCM has failed ECM has failed

Aug 18, 2012 | 2003 Volkswagen Passat

1 Answer

What this code p0748 mean


P0748 : Pressure Control Solenoid Stuck On. And i think you will be having some transmission shift problems. Because now the Pressure is applied all the time and that shouldn't be happening. Good luck

Dec 19, 2010 | Toyota Sienna Cars & Trucks

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