Question about 1999 Chevrolet S-10 Pickup

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My 1999 s10 pickup keeps putting code 1810 up. My scanner tells me it is a transmission pressure valve POS SW CKT malfunction. What does this mean?

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  • Chevrolet Master
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Replace the pressure sensor on the transmission

Posted on May 10, 2010

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I trouble with P0106, P0442, P0455


code p 0106 refers to manifold absolute pressure(MAP) sensor / barometric pressure (BARO) sensor---range /performance problem===causes --intake exhaust leak---wiring---MAP sensor---BARO sensor
code p 442 refers to evaporative emission(EVAP) system--small leak detected===causes --hose connections ---intake leak---EVAP cannister purge valve
it also refers to EVAP system ---large leak detected ---cap loose/ off ===causes --mechanical fault , hose connection EVAP pressure sensor
code p 0455 refers to EVAP system --large leak detected ===causes same as for p 0442 causes

Jul 07, 2016 | Plymouth Grand Voyager Cars & Trucks

1 Answer

Tell me what this means


This is generic code the ECM puts out when there is a transmission malfunction. It could be mechanical or electrical. You need a better code reader or scanner to pull the transmission codes.

Nov 10, 2015 | 2008 Dodge Caliber 2.4

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

I have no gears forward or reverse. My Vehicle is a 2003 Dodge Ram 1500 4x4 Hemi with 170,000 on the clock. Fluid is clean and full with no leaks. I have the following trouble codes:...


Your scanner will give you the code but it will not tell you how to fix your vehicle. Scanners basically tell you what systems to check or what systems are failing.

These are what your codes mean:

P0700: Transmission Control Module
- Shorted or open circuit within transmission control module (TCM)
- Failure of transaxle control module. This is just a informative code.

P0734: Gear ratio error in 4th gear
- Low transmission fluid level
- Dirty transmission fluid
- Shift solenoids
- Transmission mechanical problems
- Transmission hydraulic control circuit

P0732: Gear ratio error in 2nd gear
- Low transmission fluid level
- Dirty transmission fluid
- Shift solenoids
- Transmission mechanical problems
- Transmission hydraulic control circuit

P0731: Gear ratio error in 1st gear
- Low transmission fluid level
- Dirty transmission fluid
- Shift solenoids
- Transmission mechanical problems
- Transmission hydraulic control circuit

P0871: Transmission Fluid Pressure Sensor Switch C

P0876: Transmission Fluid Pressure Sensor Switch D

Emissions Codes:

P0400: Exhaust Gas Recirculation Flow Malfunction
- Harness or connectors (EGR volume control valve circuit is open or shorted.)
- EGR volume control valve stuck closed
- EGR volume control solenoid valve
- Dead (Weak) battery
- EGR temperature sensor and circuit
- EGR Valve

How to fix :
- Clean EGR Valve
- Repair EGR harness or connector
- Replaced EGR volume control solenoid valve
- Replaced EGR volume control valve

P0440: EVAP Emission Control System Malfunction
- Missing Fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- Incorrect fuel tank vacuum relief valve

How to fix:
- Retight or replaced fuel tank filler cap
- Replaced damage or leaking EVAP canister

P0456: EVAP Control System Leak Detected (Very Small Leak)
- Missing Fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- Incorrect fuel tank vacuum relief valve

How to fix:
- Retight or replaced fuel tank filler cap
- Replaced damage or leaking EVAP canister

P0441: EVAP Emission Control System Incorrect Purge
- Missing Fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- Incorrect fuel tank vacuum relief valve

How to fix:
- Retight or replaced fuel tank filler cap
- Replaced damage or leaking EVAP canister

Based on the info check your EVAP system. I would check for leaks and maybe replace the EGR and the canister.

For the transmission check the TCM also you may need to take it to a mechanic though.

Hope this helps a little.

- Tech 101 (ASE CERTIFIED MASTER TECHNICIAN)
- Larson's Mobile Auto Repair
- 209-845-7620
- Oakdale, CA

Dec 31, 2010 | Dodge Pickup Cars & Trucks

1 Answer

Trouble code for transmission


This code stand for transmission fluid pressure switch manual valve position switch assembly malfunction. Kind of a long winded term for the switch that tells the computer what gear you want to be in. Often when I see this it means that the switch [not the transmission] is going bad. This switch is mounted on the valve body inside the transmission. Fairly easy to test but you do need to have some transmission experiance to do so. Good luck and hope this helps a bit.

Jun 30, 2010 | 1999 Chevrolet Blazer

2 Answers

OBD code P0746. Where is the Pressure Control


P0746 Pressure Control Solenoid Performance or Stuck Off
A transmission solenoid is an electro-hydraulic valve that controls fluid flow into and throughout an automatic transmission. Solenoids can be normally open or normally closed. They operate via a voltage or current supplied via the transmission computer or controller. Transmission solenoids are usually installed in a Transmission Valve body, Transmission Control Unit, Transmission Control Module or inside the Transmission and it helps regulate the pressure from the trans fluid pump.


P0446 Evaporative Emmission Control System Vent Control Circuit Malfunction

What does that mean?
Evap vent valve has only one purpose. It closes in order to seal the vent so the EVAP system can pressurize and ensure there are no leaks. Evap vent valve is usually supplied Batt. voltage with key on. The ECM's driver controls the ground, and when grounded, activates the valve (closing it). If the ECM detects a short to ground, and open,or a short to battery voltage on the control circuit, P0446 will set. Code also may refer to ECM detecting that EVAP system is unable to achieve or maintain vacuum during test.

Symptoms
There will be no obvious symptoms to driver, other than MIL illumination.

Causes
A code P0446 could mean one or more of the following has happened:
* Faulty vent valve
* Open, short or excessive resistance on Vent valve control circuit
* Blockage of vent valve
* Bad PCM

Possible Solutions
With a P0446 OBD-II trouble code, here are some things to try:
* Replace Vent valve
* Repair open, short, or resistance problem in control circuit
* Repair open, or short, or resistance problem in power circuit
* Replace PCM


Hope this help (remember rated this post).

May 12, 2010 | 2003 Lexus Gs 300

1 Answer

Hi i have a 99 hyundia elantra my check engine light is on the codes are p1624,p0137,p0732and p0740 are these codes connected or different problems


As for p1624 this code is for the accent only.
p1613 means the same thing but for the elantra, the
code means malfunction indicator light(mil) signal
circuit input high volt. p0137 means ho2sensor high
voltage (fuel pressure out of range high) p0732 is a
transmission code. It means that due to a malfunction in the trans. circuit, the trans. will operate in limp mode meaning you have reverse and
one forward gear in this case 2nd gear. That brings
us to p0740 this code indicates a malfunction with
the damper clutch control solenoid at the trans. this
would cause the p0732 limp mode. But if your car
is not showing any of these problems, the cause may
be the engine control module or the transmission
control module. But this would have to be checked
with the proper test scanner. Hope this helps.

Feb 19, 2010 | Hyundai Motor 1999 Elantra

1 Answer

Idiot light, but otherwise runs fine


first check ur gas cap if wasnt put on correctly ,left off ,or does not seal usually sets off one of the evap codes--if cap looks good than need to check vent valve possible faulty and the wiring circuit for damage or short -also check vent valve for blockage

Feb 10, 2010 | 2003 GMC Sierra 1500

1 Answer

Transmition shifting hard


this is a common problem with the 4l60e transmission,
you need to have the system scaneed for codes, my guess is you will get a p1870 code,
this means internal slippage detected.

the most likely cause is a valve body malfunction, here is what happend.

the internal transmission line pressure is adjusted by the EPC solenoid, this solenoid is controlled by PWM "pulse with modulation" which simply means that the solenoid is turned on and of many times a second, the longer the on time the lower the pressure the longer the off time the higher the pressure, this on off on off rythem creates a fluid pressure pulse in the system.

now when your on the highway at cruising speed the transmission goes into lock up operation, the tcc valve is in the valve body, the valve is a high strength metal valve and the valve body is constructed of aluminum, as the tcc valve is acted upon by the pulsed high pressure fluid it will somewhat flutter in its aluminum bore and over time will damage the valve bore causing the lockup to slip a little bit.

the pcm detects the slippage, sets the check engine light and in an attempt to preserve the transmission the EPC is commaned full off which in turn puts the transmission at max line pressure and now you have an extremly harsh 1-2 shift.

solution:
have the valve body replaced or allow a transmission shop to remove the valve body **** the tcc valve bore and intall an updated valve.

ps. it will not hurt the transmission if continue to drive it.

Jun 14, 2009 | 1998 Chevrolet S-10 Pickup

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