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sprinkles08
sprinkles08, Chrysler/Dodge/Jeep master tech
Category: Dodge
Satisfied Customers: 22684
Experience:  ASE Master and Advanced Certified, Chrysler/Dodge/Jeep Master Certified, Trans and Hybrid Specialist
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2003 dodge stratus sxt 2.4 liter transmission code p0888,

Customer Question

2003 dodge stratus sxt 2.4 liter transmission code p0888
JA: Just to clarify, what's the exact code? And have you tried to reset it?
Customer: yes i have tried to reset code and it comes back. scanner shows transmission is in limp mode.
JA: Are you fixing your Stratus yourself? What have you tried so far?
Customer: i
JA: Anything else you want the mechanic to know before I connect you?
Customer: yes i am fixing myself and have narrowed it down to ground problem on EATX relay.
Submitted: 2 months ago.
Category: Dodge
Expert:  Gunvir Singh replied 2 months ago.

Hello, how long does it take for the code to come back on after it is cleared?

Customer: replied 2 months ago.
drive to corner and code pops back up
Expert:  Gunvir Singh replied 2 months ago.

Does the transmission run fine as long as the code is not on?

Customer: replied 2 months ago.
fine other wise
Customer: replied 2 months ago.
what i am looking for is a wiring diagram for the ground circuit of EATX relay.
Expert:  Gunvir Singh replied 2 months ago.

Let me check.

Customer: replied 2 months ago.
can you help? or should i request someone else?
Customer: replied 2 months ago.
ok
Expert:  sprinkles08 replied 2 months ago.

Hello and welcome to JustAnswer!

You opted out the person helping, preventing him from replying.

This code could be a blown fuse, the trans relay, or a wiring issue after the relay. Electrical testing will be required to determine what is wrong.

Has the trans relay been replaced?

Have fuses been checked?

Customer: replied 2 months ago.
Hello yes trans relay has been swapped out and all fuses are good to go? i have made it this far.
TRANSMISSION - NGC P0888-RELAY OUTPUT ALWAYS OFF — Continued TEST ACTION APPLICABILITY All 5 Turn the ignition off to the lock position. Install a substitute Relay in place of the Transmission Control Relay. Ignition on, engine not running. With the DRBIII ® in Transmission Sensors, read the Switched Battery voltage. Does the Switched Battery voltage read battery voltage? Yes → Replace the Transmission Control Relay. Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST - VER 1. No → Go To 6 All 6 Turn the ignition off to the lock position. Remove the Transmission Control Relay. Note: Check connectors - Clean/repair as necessary. Using a 12-volt test light connected to 12-volts, check the Transmission Control Relay Ground circuit. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes → Go To 7 No → Repair the Transmission Control Relay Ground circuit for an open. Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST - VER 1.
Customer: replied 2 months ago.
test light did not illuminate. what should i do next?
Expert:  sprinkles08 replied 2 months ago.

The relay ground shouldn't be a concern because you aren't setting a relay control circuit code.

Please explain exactly what you're doing to test at the relay.

Customer: replied 2 months ago.
Following flow chart says hook test light up to battery positive and relay ground test light should illuminate. But it does not.
Expert:  sprinkles08 replied 2 months ago.

How do you know you're on the correct terminal?

Customer: replied 2 months ago.
If I'm correct its terminal 2 on relay
Expert:  sprinkles08 replied 2 months ago.

It will either be pin 1 or 2. Have you checked both?

Customer: replied 2 months ago.
ok the pins i am refering to are the relay pins 2,3,4,5,6
2 ground
3
4 tcm relay control
5 tcm relay output
6 fused b+
is this correct?
Expert:  sprinkles08 replied 2 months ago.

The relay pins used are 1, 2, 3 and 5. You need to reference the terminal numbers on the relay.

Customer: replied 2 months ago.
ok i will try that tomorrow. have you ever ran into this code before? p0888
Expert:  sprinkles08 replied 2 months ago.

Yes.

Customer: replied 2 months ago.
is there a common issue i should be looking for? in your experience. scanner shows stuck in limp mode even after clearing code. and i am also missing 12v.
Expert:  sprinkles08 replied 2 months ago.

It isn't possible to know what is causing your problem on your vehicle at this time without electrical testing.

Customer: replied 2 months ago.
makes sense. Do you have a flow chart that will walk me through the steps?
Expert:  sprinkles08 replied 2 months ago.

I'm not able to post material directly from the service information due to copyright, although you've posted the factory service information which is already your possession. What you pasted above is the flow chart from the factory service manual.

Customer: replied 2 months ago.
OK thanks so much what is you availability tomorrow? if i need more help?
Expert:  sprinkles08 replied 2 months ago.

Yes, you can come back and reply to this question if you need more help with this issue.