Question about 2003 Hyundai Santa Fe

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Transmission 3rd gear bind (F4A51-2)

The following parts have been replaced in attempt to solve electrical malfunction. PCM, relay for transaxle,valve body and solenoids. this unit will work great with Tran-X. If you try to drive vehicle on vehicle PCM it will start locking up in third gear after driving 1 kilometres and gets progresively worse.while monitoring 2nd clutch amp flow with Tran-x I found it would turn solenoid on but then start dropping amps and bring on the 2nd clutch and bind up.

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Posted on Jan 02, 2017

emissionwiz
  • 75822 Answers

SOURCE: i have hyundai santa fe 2005 4cyl .. transmission not shifting .. always in 3rd gear ..

Hello
The Engine and Automatic Transmission (not applicable to manual transmissions) in this vehicles drive train are fully electronically controlled by a computer called the PCM and TCM (Power Train Control Module, Transmission Control Module). When a problem like this or other drive-ability related problems occurs the computer stores a record of the problem (there are of course some exceptions to this, like the fuel pump, engine coolant temperature sensor and MAF sensor for instance) in the form of a fault code in its memory, to read these fault codes you must have the systems memory scanned with a special tool. Once the fault code(s) are read you then must perform the appropriate diagnostic testing to find and resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL A TRAINED TECHNICAIN HAS DIAGNOSED THE PROBLEM TO AVOID SPENDING YOUR HARD EARNED MONEY ON PARTS THAT MAY NOT CORRECT THE PROBLEM. Also always check fuel pressure for correct spec for your make and engine type.

Posted on Sep 13, 2012

SOURCE: Transmission 3rd gear bind (F4A51-2)

have u had pcm checked by specialist company?
sounds like it is either getting the wrong info ir its giving the wrong info which is causing confusion.
I assume you have had it scanned and cleared/ checked all codes.
i also assume the battery / alternator charging sytem is all functiong correctly and is correct for the car. some cars are very fussy about the amperage in the system.
check it out
Roger

Posted on Apr 21, 2014

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2 Answers

Where is the torque converter clutch solenoid located P0744


troubleshooting?
  • cvt re0f10a
p0744 torque converter

description
this malfunction is detected when the torque converter clutch does not lock-up as instructed by the tcm. this is not only caused by electrical malfunction (circuits open or shorted), but also by mechanical malfunction such as control valve sticking, improper solenoid valve operation, etc.

dtc logic

dtc detection logic
159975295

dtc confirmation procedure

caution:
always drive vehicle at a safe speed.

note:
if "dtc confirmation procedure" has been previously performed, always turn ignition switch off.
then wait at least 10 seconds before performing the next test.
1.check dtc detection
with consult-iii
  1. turn ignition switch on.
  2. select "data monitor".
  3. start engine and maintain the following condition for at least 30 seconds.
159894994

with gst
follow the procedure "with consult-iii".
is "p0744" detected?
yes - go to see: cvt re0f10a.
no - check intermittent incident. refer to see: testing and inspection\initial inspection and diagnostic overview\intermittent incident.

diagnosis procedure
1.check line pressure
perform line pressure test. refer to see: transmission and drivetrain\continuously variable transmission/transaxle\testing and inspection\initial inspection and diagnostic overview\cvt re0f10a.
is the inspection result normal?
yes - go to 2.
no - repair or replace damaged parts.
2.check torque converter clutch solenoid valve
  1. turn ignition switch off.
  2. disconnect cvt unit connector.
  3. check torque converter clutch solenoid valve. refer to see: cvt re0f10a. is the inspection result normal?
yes - go to 3.
no - repair or replace damaged parts.
3.check lock-up select solenoid valve
check lock-up select solenoid valve. refer to see: cvt re0f10a.
is the inspection result normal?
yes - go to 4.
no - replace transaxle assembly. refer to see: transmission and drivetrain\continuously variable transmission/transaxle\service and repair\removal and replacement\cvt re0f10a\transaxle assembly\exploded view.
4.check secondary speed sensor system
check secondary speed sensor system. refer to see: p0720\cvt re0f10a.
is the inspection result normal?
yes - go to 5.
no - repair or replace damaged parts.
5.check primary speed sensor system
check primary speed sensor system. refer to see: p0715\cvt re0f10a.
is the inspection result normal?
yes - go to 6.
no - repair or replace damaged parts.
6.detect malfunctioning items
check tcm connector pin terminals for damage or loose connection with harness connector.
is the inspection result normal?
yes - replace tcm. refer to see: powertrain management\transmission control systems\control module, cvt\service and repair\cvt re0f10a\exploded view.
no - repair or replace damaged parts.

component inspection (torque converter clutch solenoid valve)
1.check torque converter clutch solenoid valve
159962448

check resistance between cvt unit terminal 12 and ground.

159975296

is the inspection result normal?
yes - inspection end
no - perform "self-diag results" mode for "transmission".

component inspection (lock-up select solenoid valve)
1.check lock-up select solenoid valve

159962449

check resistance between cvt unit terminal 13 and ground.

159975297

is the inspection result normal?
yes - inspection end
no - replace transaxle assembly. refer to see: transmission and drivetrain\continuously variable transmission/transaxle\service and repair\removal and replacement\cvt re0f10a\transaxle assembly\exploded view.

Jan 21, 2015 | 2010 Nissan Altima 2.5

1 Answer

Transmission 3rd gear bind (F4A51-2)


have u had pcm checked by specialist company?
sounds like it is either getting the wrong info ir its giving the wrong info which is causing confusion.
I assume you have had it scanned and cleared/ checked all codes.
i also assume the battery / alternator charging sytem is all functiong correctly and is correct for the car. some cars are very fussy about the amperage in the system.
check it out
Roger

Apr 21, 2014 | 2003 Hyundai Santa Fe

1 Answer

Transmission wont shift after 2nd gear


I wouldn't think that two transmissions would have the same bad 2-3 shift solenoid . Probably a wiring problem or the driver (transistor ) in side the control module . Do you know how to do automotive electrical testing ? Find the PCM - powertrain control module , then looking at a wiring diagram find the circuit from the PCM to the transmission wiring connector . An check the circuit ! Free wiring diagrams at http://www.bbbind.com/free_tsb.html Enter vehicle info. year , make , model and engine size . Under system click on transmission/ transaxle , subsystem transmission controls . Click the search button then the blue link .The first diagram shows 2-3 shift solenoid electrical circuit from PCM connector 2 - pin 44 to the trans. connector - C 113 pin B . Check for a open in the wire ,if no open check to see if the PCM driver is supplying a ground . Videos on youtube show how to test this .
How to test computer transistor driver without scan tool

Jun 10, 2017 | 2002 Buick Century

1 Answer

I have a 1998 dodge Grand Caravan with codes P0700,P0734 & P0733. What does this mean?


P0700 is a informative transmission code, about some problem there; the P0733 and P0734 is the specific problem there.
I would first try changing the fluid and filter. Although the fluid may look like it is brand new, with 100K on the fluid, I can assure you that even if those miles were all highway at steady speed and no load that the fluid has deteriorated and no longer lubricating the internal parts properly and that there is some debris in the ******.If codes return and shifting problems are still present, there is definite internal failure, possibly the pump or in the clutches.
DTC P0733The powertrain control module (PCM) uses the crankshaft position (CKP) sensor, input speed sensor (ISS) and output speed sensor (OSS) to determine engine speed, input shaft speed and output shaft speed. These sensor readings are used to determine the current gear ratio and RPM slip across the torque converter. The PCM uses this information from the sensors to determine if the commanded gear matches the actual gear. During normal driving conditions, the PCM will adapt main line pressure via the pressure control (PC) solenoid to prevent slipping and harsh shifts. Shift solenoid 3 is used to apply or release third gear clutch. The PCM controls 3rd gear by controlling the ground for shift solenoid 3. The PCM will turn the solenoid OFF, open the driver circuit, when 3rd gear is commanded On to apply 3rd clutch. Shift solenoid 3 is supplied ignition voltage from the fuel pump relay whenever the PCM commands the fuel pump relay ON. DTC P0733 sets when 3rd clutch still slips after the PCM has commanded high main line pressure.DTC Parameters
DTC P0733 will set if the PCM detects an incorrect actual 3rd gear ratio when 3rd gear is commanded On when:- The condition exists for longer than 3 seconds (2001)*- The condition exists for longer than 3 seconds, 1 minute is allowed to elapse, then condition exists again for longer than 3 seconds (2000)- The high main line pressure has been commanded- The transaxle is in a forward gear- The input speed is greater than 224 RPM- The vehicle speed is greater than 5 km/h (3 mph)- The speed noise parameter = NO- The steady state ratio fail counter equals 255 for an in-gear failure, or the shift fail counter is greater than 100 on a downshift or upshift to 3rd gear (128=0 or normal operation)DTC P0733 diagnostic runs continuously once the above conditions have been met.
DTC P0733 is a type A DTC for 2000, type B for 2001.**Applicable to vehicles built after June 2000.
Diagnostic AidsImportant: If DTCs P0745, P0746, P0756, P0758, P0761, P0763, P0766, P0768 or P0789 is set, diagnose that DTC first. A diagnosed PC solenoid, shift solenoid 2, 3 or 4 low/high circuit fault DTC may have caused DTC P0733 to set.Important: If a shift solenoid performance DTC P0783, 4th gear stuck ON, is set, diagnose that DTC first. A 4th gear stuck ON may cause no 3rd gear, no 2nd gear, or TCC stuck Off.
Refer to Pressure Ports - Air Check and Parts Description for pressure apply points and for component/location description.
Possible causes of no 3rd gear are listed in the flowchart on the succeeding page.
Verify TRANSMISSION ISS and TRANSMISSION OSS read correctly on Scan tool.
Make sure the pressure control, shift 2, shift 3 and shift 4 solenoids are not intermittently sticking. A sticking shift solenoid 4 may cause 4th gear to be applied from an initial start resulting in no 3rd gear. Audible sound should be similar for all solenoids. A muffled tone indicates the need for replacement.
Check this pinout HERE
P0734 refer at ratio 4 gear, and the rocedure is the same.
Hope helps.

Jan 22, 2013 | 2003 Dodge Caravan

1 Answer

Codes p0700,p0733,p0734 dodge caravan 1997


P0700 is a informative transmission code, about some problem there; the P0733 and P0734 is the specific problem there.
I would first try changing the fluid and filter. Although the fluid may look like it is brand new, with 100K on the fluid, I can assure you that even if those miles were all highway at steady speed and no load that the fluid has deteriorated and no longer lubricating the internal parts properly and that there is some debris in the ******.If codes return and shifting problems are still present, there is definite internal failure, possibly the pump or in the clutches.
DTC P0733The powertrain control module (PCM) uses the crankshaft position (CKP) sensor, input speed sensor (ISS) and output speed sensor (OSS) to determine engine speed, input shaft speed and output shaft speed. These sensor readings are used to determine the current gear ratio and RPM slip across the torque converter. The PCM uses this information from the sensors to determine if the commanded gear matches the actual gear. During normal driving conditions, the PCM will adapt main line pressure via the pressure control (PC) solenoid to prevent slipping and harsh shifts. Shift solenoid 3 is used to apply or release third gear clutch. The PCM controls 3rd gear by controlling the ground for shift solenoid 3. The PCM will turn the solenoid OFF, open the driver circuit, when 3rd gear is commanded On to apply 3rd clutch. Shift solenoid 3 is supplied ignition voltage from the fuel pump relay whenever the PCM commands the fuel pump relay ON. DTC P0733 sets when 3rd clutch still slips after the PCM has commanded high main line pressure.DTC Parameters
DTC P0733 will set if the PCM detects an incorrect actual 3rd gear ratio when 3rd gear is commanded On when:- The condition exists for longer than 3 seconds (2001)*- The condition exists for longer than 3 seconds, 1 minute is allowed to elapse, then condition exists again for longer than 3 seconds (2000)- The high main line pressure has been commanded- The transaxle is in a forward gear- The input speed is greater than 224 RPM- The vehicle speed is greater than 5 km/h (3 mph)- The speed noise parameter = NO- The steady state ratio fail counter equals 255 for an in-gear failure, or the shift fail counter is greater than 100 on a downshift or upshift to 3rd gear (128=0 or normal operation)DTC P0733 diagnostic runs continuously once the above conditions have been met.
DTC P0733 is a type A DTC for 2000, type B for 2001.**Applicable to vehicles built after June 2000.
Diagnostic AidsImportant: If DTCs P0745, P0746, P0756, P0758, P0761, P0763, P0766, P0768 or P0789 is set, diagnose that DTC first. A diagnosed PC solenoid, shift solenoid 2, 3 or 4 low/high circuit fault DTC may have caused DTC P0733 to set.Important: If a shift solenoid performance DTC P0783, 4th gear stuck ON, is set, diagnose that DTC first. A 4th gear stuck ON may cause no 3rd gear, no 2nd gear, or TCC stuck Off.
Refer to Pressure Ports - Air Check and Parts Description for pressure apply points and for component/location description.
Possible causes of no 3rd gear are listed in the flowchart on the succeeding page.
Verify TRANSMISSION ISS and TRANSMISSION OSS read correctly on Scan tool.
Make sure the pressure control, shift 2, shift 3 and shift 4 solenoids are not intermittently sticking. A sticking shift solenoid 4 may cause 4th gear to be applied from an initial start resulting in no 3rd gear. Audible sound should be similar for all solenoids. A muffled tone indicates the need for replacement.
Check this pinout HERE
P0734 refer at ratio 4 gear, and the rocedure is the same.
Hope helps.

Apr 03, 2012 | 2003 Ford Focus

2 Answers

P0734


Description of fault code P0734:

This code is set if the value of input shaft speed is not equal to the value of the output shaft, when multiplied by the 4th gear ratio, while the transaxle is engaged in 4th gear. This malfunction is mainly caused by mechanical troubles such as control valve sticking or solenoid valve malfuctioning rather than an electrical issue.

From experience (sorry) you will end up replacing the transmission. This code usually indicates an internal mechanical failure.

Dec 28, 2010 | 2003 Hyundai Accent

2 Answers

Mazda 3 code p0734


DTC P0734 Gear 4 incorrect (incorrect gear ratio detected) DETECTION CONDITION
• The PCM monitors revolution ratio of the forward clutch drum revolution to the differential gear case revolution when the following monitoring conditions are met. If the revolution ratio is below 0.6 or 1.25 or more, the PCM determines that there is a malfunction. Monitoring condition: - ATF temperature 20 °C {68 °F} or more - Driving in 4 GR in D or M range - Engine running - Turbine speed within 225-4,987 rpm - Vehicle speed 50 km/h {31 mph} or more - Closed throttle position - Differential gear case (output) revolution speed 35 rpm or more - None of the following present: DTC P0500, P0706, P0707, P0708, P0712, P0713, P0715, P0751, P0752, P0753, P0756, P0757, P0758, P0761, P0762, P0763, P0766, P0767, P0768, P0771, P0772, P0773 Diagnostic support note: • This is a continuous monitor (CCM). • The MIL does not illuminate. • The AT warning light illuminates if the PCM detects the above malfunction condition during the first drive cycle. • FREEZE FRAME DATA is not available. • A PENDING CODE is not available. • The DTC is stored in the PCM memory. POSSIBLE CAUSE
• ATF level low • Deteriorated ATF • Shift solenoids A, B or C stuck • Pressure control solenoid stuck • Line pressure low 2-4 brake band slipping 3-4 clutch slipping • Forward clutch slipping • Control valve stuck (Bypass or 3-4 shift valve) • Oil pump malfunction • PCM malfunction
Diagnostic procedure
STEP INSPECTION ACTION 1 VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Verify related Service Bulletins and/or on-line repair information availability. • Is any related repair information available? Yes Perform repair or diagnosis according to the available repair information. No Go to the next step. 2 INSPECT ATF CONDITION
• Inspect the ATF condition. (See AUTOMATIC TRANSAXLE FLUID (ATF) INSPECTION.) • Is it normal? Yes Go to the next step. No Replace the transaxle, then go to Step 8. 3 INSPECT ATF LEVEL
• Start the engine. • Warm up the ATX. • Is the ATF level within the specification? (See AUTOMATIC TRANSAXLE FLUID (ATF) INSPECTION.) Yes Go to the next step. No Add ATF to the specified level, then go to Step 8. 4 INSPECT SHIFT SOLENOID VALVE A AND D FOR CLICK SOUND
• Perform operation inspection. (See SOLENOID VALVE INSPECTION.) • Verify the click sound of shift solenoids A and D when applying B+ to each transaxle terminal. Note • The click from solenoid D is barely audible. Remove solenoids to correctly inspect if necessary. • Was a click heard from solenoids? Yes Go to the next step. No Replace the solenoid where you could not hear click sound, then go to Step 8. (See SOLENOID VALVE REMOVAL/INSTALLATION.) 5 INSPECT LINE PRESSURE
• Start the engine. • Measure the line pressures. Specification
Idle: 330-470 kPa {3.4-4.7 kgf/cm2, 48-68 psi}
Stall:
1,090-1,250 kPa {11.2-12.7 kgf/cm2, 159-181 psi} (Z6)
1,160-1,320 kPa {11.8-13.5 kgf/cm2, 168-191 psi} (LF)
• Are the line pressures within the specifications? (See Line Pressure Test.) Yes Go to the next step. No All ranges: Replace the oil pump, then go to Step 8. Any ranges: Replace the control valve body, then go to Step 8. (See CONTROL VALVE BODY REMOVAL.) (See CONTROL VALVE BODY INSTALLATION.) 6 INSPECT STALL SPEED
• Measure the stall speed in D range. (See Stall Test.) Specification
2,100-2,700 rpm (Z6)
2,000-2,600 rpm (LF)
• Is the stall speed within the specification? Yes Go to the next step. No Replace the automatic transaxle, then go to Step 8. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [Z6].) (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [LF].) 7 INSPECT FREQUENCY OF INPUT/TURBINE SPEED SENSOR WHEN DRIVING VEHICLE
• Turn the ignition switch to the LOCK position. • Connect the WDS or equivalent. • Start the engine. • Measure the frequency of input/turbine speed sensor while driving vehicle under the following conditions: - Vehicle speed (VSS PID): 80 km/h {49 mph} - Drive in the D range, 4GR - Throttle opening angle (TP PID): approx. 25% • Was the frequency of the input/turbine speed sensor at approx. 1,200 Hz? Yes Go to the next step. No Replace the control valve body, then go to the next step. (See CONTROL VALVE BODY REMOVAL.) (See CONTROL VALVE BODY INSTALLATION.) 8 VERIFY REPAIR OF DTC P0732
• Make sure to reconnect all the disconnected connectors. • Clear the DTC using the WDS or equivalent. • Start the engine. • Warm up the transaxle. • Drive the vehicle under the following conditions for more than 5 s: - ATF temperature: 20 °C {68 °F} or more - Drive in the D range, 4GR - Throttle opening angle (TP PID): 0% - Vehicle speed (VSS PID): 50 km/h {31 mph} or more • Are any DTCs present? Yes Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [ZJ, Z6].) (See PCM REMOVAL/INSTALLATION [LF].) No Go to the next step. 9 VERIFY AFTER REPAIR PROCEDURE
• Perform the "After Repair Procedure". (See AFTER REPAIR PROCEDURE [FN4A-EL].) • Are any DTCs present? Yes Go to the applicable DTC inspection. No DTC troubleshooting completed. click here to refer to this reference.
if you need further assistance please let me know and i will be glad to assist you further. Thanks, Midwest-tek

Aug 31, 2010 | Mazda MAZDA3 Cars & Trucks

1 Answer

OK i have seen my question asked several different times on here, and have seen several different answers, from a simple electrical problem to a complete transmission rebuild. 1997 Chevrolet S-10...


if you have a modulator valve on your tranny it may be bad,the vacum could be restricted on it,the mod. valve controls shifts smoothly.lucas trans. additive helps with stuck valves in trannys,

Aug 12, 2010 | 1997 Chevrolet Blazer

1 Answer

I have a 1998 v 6 dodge dakota sport with a p1495 trouble code how do i fix it


DTC P1495 - Leak Detection Pump Solenoid Circuit

WHEN MONITORED: Immediately after a cold start, with battery/ambient temperature between 4.4 °C (40 °F) . F and 32 °C (90 °F) . Coolant temperature within -12 °C (10 °F) of battery/ambient

SET CONDITION: The state of the solenoid circuit does not match the PCM's desired state.

POSSIBLE CAUSES:
* Wiring Harness Intermittent
* Leak Detection Pump
* Fused Ignition Switch Output
* LDP Solenoid Control Circuit Shorted To Ground
* LDP Solenoid Control Circuit Open
* PCM

Leak Detection Pump System
The evaporative emission system is designed to prevent the escape of fuel vapors from the fuel system. Leaks in the system, even small ones, can allow fuel vapors to escape into the atmosphere. Government regulations require on-board testing to make sure that the evaporative (EVAP) system is functioning properly. The leak detection system tests for EVAP system leaks and blockage. It also performs self-diagnostics. During self-diagnostics, the Powertrain Control Module (PCM) first checks the Leak Detection Pump (LDP) for electrical and mechanical faults. If the first checks pass, the PCM then uses the LDP to seal the vent valve and pump air into the system to pressurize it. If a leak is present, the PCM will continue pumping the LDP to replace the air that leaks out. The PCM determines the size of the leak based on how fast/long it must pump the LDP as it tries to maintain pressure in the system.

SYMPTOM: P1490-LOW SPEED FAN CONTROL RELAY CIRCUIT
WHEN MONITORED: With the ignition ON. Battery voltage greater than 10 volts .

SET CONDITION: An open or shorted circuit is detected in the radiator fan relay control circuit.

POSSIBLE CAUSES:
* Low Speed Radiator Fan Relay Intermittent Operation
* Intermittent Condition
* Fused Ignition Switch Output Circuit
* Low Speed Radiator Fan Relay Resistance
* Low Speed Radiator Fan Relay Control Circuit Open
* Low Speed Radiator Fan Relay Control Circuit Short To Ground
* PCM


Notes
The Transmission/Transaxle Controller monitors the malfunction of sensors and actuators relating to Transmission/Transaxle Control. If any malfunction is detected, they inform the PCM by sending a signal - By illuminating the MIL and by setting the P0700 code.

P0700 means that a code has been set in the Transmission/Transaxle Controller. If P0700 is present, check for Transmission/Transaxle codes.

Hope helps (remember comment and rated this).

Aug 02, 2010 | Dodge Dakota Cars & Trucks

1 Answer

Have a 99 sonata stuck in 3rd gear have code p173 replaced auto trans relay stil have problem what should i do


fuel trim malfunction is po173,not transmission problem.This would be a fuel related problem,but the stuck in 3rd gear is,it maybe a stuck governor,or valve in the valve body,try a product called lube guard at napa,it works wonders.

May 04, 2010 | 2000 Hyundai Elantra

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