Okay, sorry for all the posts but it would not take all the information in one post.
The key here is the transmission codes. That is what is putting you in a limp mode. They need to be addressed first. From the looks of the possibilities, it could be a wiring harness issue or internal.
One thing I would do is check the charging system. Make sure the voltage is between 14 and 14.5 volts. Then switch the range to AC volts. If you show any AC voltage, the alternator is no good. AC voltage will throw many codes because the PCM does not know what to do with a voltage it does not recognize.
Roy
There was a TSB on the 1000 for bad grounds.
Classification:
EC06-002a
Reference:
ITB06-004a
Date:
March 31, 2006
MIL "ON" WITH DTC U1000 OR U101 STORED IN ENGINE CONTROL UNIT
APPLIED VEHICLES:
2002-2004 I35 (CA33)
2002-2006 Q45 (F50)
2004-2006 QX56 (JA60)
2003-2006 FX (S50)
2003-2006 G35 (V35)
2003-2004 M45 (Y34)
2006 M (Y50)
IF YOU CONFIRM
The MIL is "ON" with
DTC U1000 (CAN COMM CIRCUIT) OR
DTC U1010 (CAN COMM) [2006 Models only] stored in the engine control unit,
and
There are no drivability incidents.
DETERMINE IF
This bulletin applies by performing steps 1 and 2 of the Service Procedure.
ACTIONS
If this bulletin applies, there may be excess resistance in certain ground connections:
Clean/re-tighten ECM ground connections.
Clean/re-tighten negative battery cable body connection and battery post connection.
If needed, clean and ensure good contact between the steering member assembly and the left side instrument stay assembly.
IMPORTANT:
The purpose of "ACTIONS" (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire Service Procedure as it contains information that is essential to successfully completing the repair.
CLAIMS INFORMATION
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Submit a Primary Part (PP) type claim using the claims coding shown.
SERVICE PROCEDURE:
1. Print the engine Freeze Frame (FF) data using CONSULT-II.
Refer to section EC in the appropriate Service Manual for Freeze Frame diagnostic information.
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2. Compare your printout to the chart.
A. If your readings match exactly to the readings above go to step 3.
B. If your readings do not match exactly this bulletin does not apply.
Go to section LAN in the appropriate Service Manual for additional diagnostic information.
3. Make sure all ECM ground terminal connections are clean and tight as follows:
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a. Make a list of the ground terminals for your vehicle. Refer to the appropriate Service Manual section EC (Power Supply and Ground Circuits).
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b. Take your list and go to section PG in the appropriate Service Manual. You'll be able to identify the exact location of the ECM ground terminals you'll need to check.
C. Now go to the ground terminal(s) on the vehicle and remove the nut or bolt that holds the terminal eyelet(s).
D. Clean the following surfaces on each ECM ground terminal. This will ensure good contact in the connections.
Both sides of the eyelet
Eyelet mounting surface
NOTE:
Do not remove paint from painted surfaces in the engine compartment to improve ground. Doing so may cause corrosion/rust.
Nut/bolt threads.
Female threads in bolt holes (use the correct size tap).
E. Reinstall and tighten the nut or bolt that holds the terminal eyelet.
4. If the ECM ground terminals are attached to the steering member assembly (cross brace under the dash):
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a. Remove the fasteners (nuts bolts screws) that attach the left side instrument stay assembly (cross brace support) to the steering member assembly (see Figure 3).
B. Clean the mounting surfaces and fastener threads.
C. Reassemble and tighten the fasteners.
Example only: Steering member support assembly and instrument stay assembly
5. Clean the negative battery cable connection.
A. Write down all the radio presets.
B. Disconnect the negative battery cable at the battery and at the body connection.
C. Clean the following items:
Negative cable-to-body connection eyelet (both sides)
Body connection bolt (head and threads)
Female bolt hole threads (use correct size tap)
NOTE:
Do not remove paint from painted surfaces in the engine compartment to improve ground. Doing so may cause corrosion/rust.
Battery negative post
Negative cable battery terminal
d. Reconnect negative battery cable (at the body and the battery).
E. Reprogram the radio presets.
6. Use CONSULT-II to erase all DTCs.
7. Test drive and re-check for DTCs.
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Wednesday, November 7th, 2018 AT 3:22 AM