2003 Dodge Caravan transmision P1776 and P0700

Tiny
CCI
  • MEMBER
  • 2003 DODGE CARAVAN
  • 100,000 MILES
Hi, My 2003 grand caravan has been running fine until today. It went into limp mode and I pulled the codes and I got a p0700 and a p1776. After I pulled the codes from the Autozone, and drove away, the van was shifting normal again. But I have noticed that there has been some hesitant shifting now and then. Also I have to replace one of the ABS sensors, could this somehow affect what is going on. I am thinking it is the transmission solenoid. Thanks
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Monday, November 11th, 2013 AT 2:00 PM

4 Replies

Tiny
WRENCHTECH
  • EXPERT
SYMPTOM
P1776-SOLENOID SWITCH VALVE LATCHED IN LR POSITION

WHEN MONITORED
Continuously when doing partial or full EMCC (PEMCC or FEMCC).

SET CONDITION
This DTC will set if the TCM senses the L/R Pressure Switch closing while performing PEMCC or FEMCC or after two unsuccessful attempts to perform PEMCC or FEMCC.

POSSIBLE CAUSES

RELATED DTC P0841 PRESENT
L/R PRESSURE SWITCH
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
L/R PRESSURE SWITCH SENSE CIRCUIT OPEN
L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND
L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
TRANSMISSION CONTROL MODULE
INTERMITTENT WIRING AND CONNECTORS
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Monday, November 11th, 2013 AT 2:34 PM
Tiny
CCI
  • MEMBER
Hi,
I have an update. I drove the van last evening after I wrote the post. The shifting was normal and the check engine light went away. Is this normal? Do I still need to replace the solenoid pack? Also, would that fix the LR pressure switch. The solenoid pack was replaced a year ago. Should I also or instead of replace the TCM? ANy thoughts?
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Tuesday, November 12th, 2013 AT 7:59 AM
Tiny
WRENCHTECH
  • EXPERT
Nobody recommended you replace any of those things. The circuit needs to be troubleshooted and since the problem appears to be intermittent, that may prove difficult.
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Tuesday, November 12th, 2013 AT 8:02 AM
Tiny
CCI
  • MEMBER
I have had an update. I took my van to the normal repair guy and he said there was a bulletin put out by Dodge to have the engine computer and the transmission control module wiped and updated. We did that ($300), it worked for 4 days. I am wondering if it really needed it. My wife thinks we were taken advantage of. If the diagnostic showed any component repairs short of rebuilding the transmission I would have attempted it. But, reprogramming the computers is something that I couldn't do. Would the Dodge dealer have detected something faulty with the circuits for the pressure switch or the TCM when they reprogrammed it?
Thanks.
Transmissions make me feel powerless.
Chris
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Monday, November 18th, 2013 AT 8:54 PM

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