OBD1 codes code 37 and 24?

Tiny
OLLIE2022
  • MEMBER
  • 1994 DODGE RAM
  • 5.9L
  • V8
  • 2WD
  • AUTOMATIC
  • 260,000 MILES
Hi, getting code 37 and 24 on key retrieval method Obd1 code reader. Says Dtc 45 n Dtc 24, I posted the last 8 of my vin number. It's weird because the trucks 5/95 Made but has PCM 94 TIPM 94. I just want to not blow transmission or motor? Thank you
Friday, September 30th, 2022 AT 9:11 PM

9 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,602 POSTS
Yep, no one wants that.

Here are the code definitions:

24 - Throttle position sensor voltage high/low.

37 - Part throttle unlock (PTU) circuit, open or short detected.

I would replace the TPS sensor and then disconnect the battery to clear the codes to see what happens.

Here are the instructions in the images below. Check out the images (below). Please let us know what happens.
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Saturday, October 1st, 2022 AT 10:23 AM
Tiny
OLLIE2022
  • MEMBER
  • 49 POSTS
I did new part.
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Saturday, October 1st, 2022 AT 2:25 PM
Tiny
OLLIE2022
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  • 49 POSTS
Could this be it behind the linkage spring, there's no connector on it possibly broke off?
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Sunday, October 9th, 2022 AT 5:13 PM
Tiny
KEN L
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  • 47,602 POSTS
It is difficult to tell from this picture. I see a spring and the transmission linkage. Did anything change when you installed a new TPS, did you clear the codes and drive it?
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Monday, October 10th, 2022 AT 11:25 AM
Tiny
OLLIE2022
  • MEMBER
  • 49 POSTS
Yes, and it says transmission fluid temperature sensor above voltage, is it the brassy bolt plug behind the spring on the transmission above the pan?
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Monday, October 10th, 2022 AT 2:35 PM
Tiny
OLLIE2022
  • MEMBER
  • 49 POSTS
Above the cooler line, may the connection end got broke off or wrong one installed?
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Monday, October 10th, 2022 AT 2:37 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,602 POSTS
No that is not it, the part you are seeing is to adjust the bands inside the transmission. Here is the location of the sensor you need to change out.

The transmission temperature sensor is located in the transmission cooler outlet line, next to the transmission.

Removal

1. Raise and support vehicle
2. Place drain pan below the sensor
3. Clean area around sensor before removal
4. Disconnect the electrical connector at sensor
5. Remove (unthread) the sensor from transmission cooling line. To prevent twisting and damage to cooler line, be sure to use a backup wrench on cooling line.

Installation

1. Install the sensor into the transmission cooling line. Tighten sensor to 11 Nm (8ft lbs) torque.
2. Connect the electrical connector at sensor.
3. Lower vehicle.
4. Check and adjust automatic transmission fluid.

Check out the images (below). Please let us know if you need anything else to get the problem fixed.
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Tuesday, October 11th, 2022 AT 11:35 AM
Tiny
OLLIE2022
  • MEMBER
  • 49 POSTS
I'm stumped. It's not there and 46rh transmission has no electric governor pressure sensor.
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Thursday, October 13th, 2022 AT 8:21 PM
Tiny
KEN L
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  • 47,602 POSTS
Yep, thats a good one, you have the code but no sensor that pertains to it. I think you are right the vehicle has a mismatched PCM or the wrong transmission is installed.
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Saturday, October 15th, 2022 AT 11:53 AM

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