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Error code p0700 and p1745

 
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Old 13 Oct 2017, 03:38 pm
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Default Error code p0700 and p1745

Hi
I've a 2006 2.4 auto with 38000 miles. Unfortunately it's stuck in 2nd gear with the above error codes. Any ideas?
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Old 13 Oct 2017, 04:25 pm
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Default Re: Error code p0700 and p1745

P1745-TRANSMISSION LINE PRESSURE TOO HIGH FOR TOO LONG

The Transmission is not designed to operate in open-loop line pressure control for an extended period time. This DTC is intended to protect the transmission. If the DTC sets, the transmission controller will place the transmission into limp-in mode.

Possible Causes:

Line pressure DTC's present

In order to erase P1745 you must reset the VLP Shift Counter and the Output tooth counter which is a procedure in the scan tool called "Clear Variable Line Pressure (VLP) counters".


I would suggest you check to see if there are any other transmission codes. Usually there should be another code triggering the P1745 code.
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Old 13 Oct 2017, 04:30 pm
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Default Re: Error code p0700 and p1745

Welcome to the forum

You can read this answer from a Master-Tech:

https://www.justanswer.com/chrysler/...ear-above.html

This answer also explains the procedure for disconnecting the battery and touching both cables together, a procedure that has been challenged by others on this forum,
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Old 13 Oct 2017, 05:11 pm
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Default Re: Error code p0700 and p1745

Thanks for the replies, will I have to take it to a dealer to read the other codes?
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Old 13 Oct 2017, 05:23 pm
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Default Re: Error code p0700 and p1745

I would suggest taking it to a transmission shop. They would most likely give you an idea of what's wrong with it and tell you what the codes are.
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Old 15 Oct 2017, 11:15 am
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Default Re: Error code p0700 and p1745

Quick update.

I disconnected the battery and shorted the leads out. This cleared the codes and allowed the box to shift - temporarily!! It's now registering the same codes.
I checked the transmission level when cold with the engine running at it was above the 'hot' mark on the dipstick. Could too much fluid cause a problem such as mine?
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Old 15 Oct 2017, 12:08 pm
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Default Re: Error code p0700 and p1745

Quote:
Originally Posted by Scotland1969 View Post
Quick update.

I disconnected the battery and shorted the leads out. This cleared the codes and allowed the box to shift - temporarily!! It's now registering the same codes.
I checked the transmission level when cold with the engine running at it was above the 'hot' mark on the dipstick. Could too much fluid cause a problem such as mine?
As posted previously there is an issue causing the transmission P1745 code to be triggered. There is a possible indication of internal pressure losses from the pump and hydraulic system. There are some sensors such as the input and output speed sensors, etc. that can change this internal pressure. This is why it's important to find out what other transmission codes there are that might be triggering the P1745. The OBDII Scan Tool and the "Key Dance" does not recognize most transmission codes.

The link below explains it better.
https://www.allpar.com/mopar/transmi...-pressure.html
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Last edited by ptcruisersteve; 15 Oct 2017 at 12:11 pm.
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Old 15 Oct 2017, 12:23 pm
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Default Re: Error code p0700 and p1745

Quote:
Originally Posted by Scotland1969 View Post
Quick update.

I disconnected the battery and shorted the leads out. This cleared the codes and allowed the box to shift - temporarily!! It's now registering the same codes.
I checked the transmission level when cold with the engine running at it was above the 'hot' mark on the dipstick. Could too much fluid cause a problem such as mine?
Engine running all temperatures at normal indication (drive about 15 minutes or more is recommended) before checking fluid gear selector in neutral.

The point to putting the transmission in neutral is to actuate all the valves in the transmission valve body at least once. Park closes valves while neutral many automatics lets one or 2 valves remain open. You want all the working parts with fluid under pressure to measure the remaining fluid in the sump/transmission pan.

Are you parked on level ground?
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Last edited by ptcruisersteve; 15 Oct 2017 at 12:33 pm.
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Old 15 Oct 2017, 04:12 pm
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Default Re: Error code p0700 and p1745

Quote:
Originally Posted by ptcruisersteve View Post
Engine running all temperatures at normal indication (drive about 15 minutes or more is recommended) before checking fluid gear selector in neutral.

The point to putting the transmission in neutral is to actuate all the valves in the transmission valve body at least once. Park closes valves while neutral many automatics lets one or 2 valves remain open. You want all the working parts with fluid under pressure to measure the remaining fluid in the sump/transmission pan.

Are you parked on level ground?
My Owner's Manual says to check the fluid level while the vehicle is in Park:

"Fluid Level Check
The fluid level in the automatic transaxle should be
checked whenever the vehicle is serviced. Operation with
an improper fluid level will greatly reduce the life of the
transaxle and of the fluid.
Procedure For Checking Fluid Level
To properly check the automatic transaxle fluid level, the
following procedure must be used:
1. The vehicle must be on level ground.
2. The engine should be running at curb idle speed for at
minimum of 60 seconds.
3. Fully apply parking brake.
4. Depress the brake pedal and place the gear selector
momentarily in each gear position ending with the lever
in P (PARK).
5. Remove the dipstick and determine if the fluid is hot
or warm. Hot fluid is approximately 180F (82C), which
is the normal operating temperature after the vehicle has
been driven at least 24 km (15 miles). The fluid cannot be
comfortable held between the finger tips. Warm is when
the fluid is between 85 to 125F (29 to 52C).
Transaxle Dipstick Location
392 MAINTAINING YOUR VEHICLE
6. Wipe the dipstick clean and reinsert until seated.
Remove dipstick and note reading.
If the fluid is hot, reading should be in the cross hatched
area marked HOT between the upper two holes in the
dipstick.
If the fluid is cold, the fluid level should be between the
lower two holes, into the area marked LOW.
If the fluid level shows low, add sufficient transmission
fluid to bring to the proper level.
CAUTION!
Do not overfill. Dirt and water in the transaxle can
cause serious damage. To prevent dirt and water
from entering the transaxle after checking or replenishing
fluid, make certain that the dipstick cap is
seated properly."
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Old 15 Oct 2017, 04:45 pm
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Default Re: Error code p0700 and p1745

Quote:
Originally Posted by rckstein View Post
My Owner's Manual says to check the fluid level while the vehicle is in Park:

"Fluid Level Check
The fluid level in the automatic transaxle should be
checked whenever the vehicle is serviced. Operation with
an improper fluid level will greatly reduce the life of the
transaxle and of the fluid.
Procedure For Checking Fluid Level
To properly check the automatic transaxle fluid level, the
following procedure must be used:
1. The vehicle must be on level ground.
2. The engine should be running at curb idle speed for at
minimum of 60 seconds.
3. Fully apply parking brake.
4. Depress the brake pedal and place the gear selector
momentarily in each gear position ending with the lever
in P (PARK)
.
5. Remove the dipstick and determine if the fluid is hot
or warm. Hot fluid is approximately 180F (82C), which
is the normal operating temperature after the vehicle has
been driven at least 24 km (15 miles). The fluid cannot be
comfortable held between the finger tips. Warm is when
the fluid is between 85 to 125F (29 to 52C).
Transaxle Dipstick Location
392 MAINTAINING YOUR VEHICLE
6. Wipe the dipstick clean and reinsert until seated.
Remove dipstick and note reading.
If the fluid is hot, reading should be in the cross hatched
area marked “HOT” between the upper two holes in the
dipstick.
If the fluid is cold, the fluid level should be between the
lower two holes, into the area marked “LOW”.
If the fluid level shows low, add sufficient transmission
fluid to bring to the proper level.
CAUTION!
Do not overfill. Dirt and water in the transaxle can
cause serious damage. To prevent dirt and water
from entering the transaxle after checking or replenishing
fluid, make certain that the dipstick cap is
seated properly."
This is why I suggested putting it in neutral. This way I know that the person I am helping is shifting the gears to get all the valves working in the transmission. Good to know the procedure agrees with my suggestion of shifting gears before checking the level of transmission fluid.
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Last edited by ptcruisersteve; 15 Oct 2017 at 05:16 pm.
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