Transmission with codes P0218 P0732 P0733 P0740 P0846 P1790

P0700
P0700 OBD II Trouble Code Transmission Control System Malfunction...
p0732
P0732 OBD II Trouble Code Gear 2 Incorrect Ratio YourMechanic Advice
p0733
P0733 OBD II Trouble Code Gear 3 Incorrect Ratio YourMechanic Advice

P0700 Transmission Control System Malfunction P0445 Evaporative Emission Control System Purge Control Valve Circuit Shorted P0442 Evaporative Emission Control System leak Detected (small leak) P0841 Transmission Fluid Pressure Sensor/Switch A Circuit Range/Performance P0846 Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance P0732 Gear 2 Incorrect Ratio
Full list of the OBD2 DTC from P0700 to P0999

This code is set when the transmission control module detects improper voltage at the torque converter clutch. This can be caused by low tranny fluid/dirty tranny fluid/defective torque converter clutch solenoid/electrical connections to from solenoid

p1784 shift up /down wire open,,,P0700 Transmission Control System Malfunction

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P0732 Gear 2 Incorrect ratio

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code p0700 refers to transmission control system/MIL --malfunction===causes --wiring ---TCM (1)
code po740 refers to torque converter clutch (TCC) solenoid--circuit malfunction===causes--wiring--TCC solenoid--ECM/TCM (transmission control module) (again)
code p0871 refers to transmission fluid pressure (TFP) sensor C -range/ performance problem==causes---wiring--poor connection--TFP sensor--ECM /TCM (yet again)
code p0734 refers to gear 3 ratio (po374 is gear ratio 4) incorrect ratio===causes --wiring--TR sensor/switch--shift solenoids--transmission mechanical fault (causes are the same for po733&734)
code po846 refers to transmission fluid pressure (TFP) sensor B-range/ performance problem===causes ---wiring--poor connection--TFP sensor--ECM/TCM (again). Give the clutch a miss as you still have 1st gear and if the clutch is not working you will not be going any where. Have a pressure test done on the transmission to check for internal mechanical failures (pump ). The rest are sensors are wiring connections , sensor and TCM. My bet is the TCM unit. Have it checked out. What ever you do treat any suggestion of a new transmission with a grain of salt until you are shown proof positive that you need one.

all this is online, look it up.
and looking there ,only has a single , line explanation.
ever heard of the FSM? you never stated the car year, or model.
the factor service, manual covers all that , extensively.
or a virtual manual is here.
at
Alldata dot com.or at Mitchels.
every day, all day, 24/7

btw ,if the tranny slips, the TCM will throw out codes
and it is clueless as to why. !
RTM

You might want an estimate from a shop after showing them the code list. Odd, but all codes that start with P0***, are generic codes applicable to all vehicles, but after a too-short search, I couldn't find the P 0800's, or the P0992. It could still be something electrical, not mechanical, in the transmission, but still cost more to fix than feasible if the shop has to do a lot of testing-my way of saying the Town and Country is better left on the side of the road than down it, lol.

Sorry but as far as I can tell those are automatic transaxle malfunction codes indicating a transmission problem. Hope that helps..

P0733 indicates which gear has a gear ratio that varies from the correct gear ratio, the corresponding in-gear trouble code ranges from DTCs P0731-36.

Without taking apart the transmission and inspecting for damage, it is difficult to say what the exact problem is, but many people who get the P0733 code have fixed the problem by replacing the accumulator in the transmission.

Other possible causes include:

• ATF level low
• Deteriorated ATF
• Shift solenoid B or F malfunction
• Pressure control solenoid malfunction
• Line pressure low
• Low clutch slipping
• High clutch slipping
• Control valve malfunction
• Oil pump malfunction
• TCM malfunction

I’m happy to help further over the phone at https://www.6ya.com/expert/jeremy_69f3cc28d95bf514

P0740 Torque Converter Clutch Circuit Malfunction, it could be a sensor starting to go bad, have the code cleared and see if it happens again, have you ever had your transmission fluid replaced, (do not have it flushed) might want to do that as a Preventive Maintenance item.

A/C problem could be the A/C controls on the dash are not working properly, the doors inside the dash are not closing completely, letting warm blended air in on the driver's side.