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P0748 Pressure Control Solenoid Valve A - Electrical

I have the following error code P0748 Pressure Control Solenoid Valve A - Electrical ,so i need to know which valve is A and howw can i deal with

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

TLRogue
  • 99 Answers

SOURCE: Kia Sportage 2003 - Solenoid Valve

This sounds like the idle air control valve. This valve sits on the inlet manifold and basicly regulated the flow of air for tickover( or idle). The usual operation of this valve is, when the engine is running at high speed the valve will be closed, when the engine comes down to idle, the main throttle butterfly will shut as you lift your foot off the pedal. The idle valve will open and give a small amound of air to the engine, just enough to run it at idle speed. These valves can stick open, therefore letting air in when the throttle is open, giving the engine too much air. WD40 is only a temporary repair untill it jams again. Best course of action is to have part replaced.

TL

Posted on Jan 24, 2009

  • 334 Answers

SOURCE: speed sensor replacement

get a hanys repair manual at the auto parts store

Posted on Aug 07, 2009

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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

These error code's were read: p0700, p0765, p0760, p0755, p0743. How can we fix this? Can it be the harness connection?


How To Fix Transmission A4CF2 Shift Problems / Check ...

? 18:46
https://www.youtube.com/watch?v=URUT3t8uUCw
Oct 27, 2014 - Uploaded by ProProjects
Thanks to ProProjects P0700 P0743 Torque Converter Clutch Circuit Electrical. ... P0765 - Shift Control Solenoid Valve D (Overdrive Solenoid) ... I have only two codes P0760 P0755 but my car is a mitsubishi galant 2.4 liters.

PDF]Technical Service Bulletin - RevBase

www.revbase.com/BBBMotor/Tsb//DownloadPdf?id=133873
Diagnostic Trouble Codes P0740, P0741, P0742, P0743, P0746, P0748, P0750,.P0755, P0760, P0765 or P0770 set ... P0700 - TCM MIL request signal.

Nov 07, 2015 | 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

2 Answers

Two codes pop up?


Possible causes P406 include EGR Valve clogged, dirty or leaky
- EGR valve damaged/defective
- EGR volume control solenoid valve
- EGR temperature sensor and circuit
- EGR volume control solenoid valve harness is open or shorted
- EGR volume control solenoid valve circuit poor electrical connection
Possible causes P0108 - Faulty Manifold Absolute Pressure sensor
- Manifold Absolute Pressure harness is open or shorted
- Manifold Absolute Pressure sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)

May 23, 2014 | 2006 Lincoln LS V8

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's your problem?Home > Cars & Trucks > Trouble code PO798...


Generic OBD Error Code Details for P0798 Pressure Control Solenoid "C" Electrical What does this mean?OBD Code P0798refers to
The Engine Control Module (ECM) uses signals from the vehicle speed sensor to detect the actual gear position (1st, 2nd, 3rd, 4th or 5th gear). Then the ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical troubles of the shift solenoid valves and valve body. SymptomsPossible sumptoms of OBD code P0798
- Engine Light ON (or Service Engine Soon Warning Light) - Shift shock CausesPossible causes of OBD code P0798
- Low transmission fluid level - Dirty transmission fluid - Faulty pressure control solenoid valve - Pressure control solenoid valve harness or connectors - Pressure control solenoid valve circuit is open or shorted The Error code is generally activated on detection of the following conditions: The P0798 is triggered when the ECM detects an open or short circuit in shift solenoid valves Possible Solutions

Nov 09, 2011 | 2008 Mercedes-Benz Mercedes Benz Cls Class

1 Answer

What is code PO748


Here you can find DTC P0748 PRESSURE CONTROL SOLENOID (LINE PRESSURE DUTY SOLENOID) ELECTRICAL

Hope helps.

Jun 12, 2010 | 1998 Dodge Durango

1 Answer

What is code 1811 on 2000 buick centryclunks into gear AFTER 25 TO 30 MILES . TRANMISION PEOPLE SAY THAT THE TRANMISION NEED REPLACEING


Hi,

Condition


Some owners of the above vehicles with a Hydra-Matic 4T65-E transaxle may comment on harsh upshifts or harsh garage shifts, soft shifts, shudders on hard acceleration, or shifts erratic. These conditions may appear intermittently or set a DTC P1811 or P0748. During diagnosis, a low or high line pressure (actual versus desired) may be observed.

Cause

The above condition may be due to any one of the following which may affect line pressure output:
• Sediment inside the pressure control (PC) solenoid valve, causing the PC solenoid valve to mechanically bind. • Sediment in the valve body, causing the torque signal regulator valve to stick. • Incorrect transaxle oil level.
To verifiy the exact failure, a line pressure check will need to be performed.

Hope i helped you.

Thanks.

Sep 06, 2009 | 2000 Buick Century

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