Transmission troubleshooting p0340, p0700, p0703, p1652

'year make model' in all questions please, as first 3 words.

P1652 Code Meaning, Causes, Symptoms, & Tech Notes

Engine-Codes.com https://www.engine-codes.com > p1652
What are the Possible Causes of the Code P1652? · Faulty Cooling Fan 2 Relay · Cooling Fan 2 Relay harness is open or shorted · Cooling Fan 2 Relay circuit poor ...

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  P1652 Nissan Code - Starter Motor System Communication

  https://www.engine-codes.com > p1652_nissan
  What Does the P1652 Nissan Code Mean? The Engine Control Module (ECM) controls ON/OFF state of the starter relay, according to the engine and vehicle condition.

Code P1652 Cooling Fan 2 Relay Control Circuit Conditions

AutoCodes https://www.autocodes.com > p1652
Code P1652 Possible Causes · Faulty Cooling Fan 2 Relay · Cooling Fan 2 Relay harness is open or shorted · Cooling Fan 2 Relay circuit poor electrical connection.

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  Code P1652 Volkswagen Transmission Control Module ...

  https://www.autocodes.com > p1652_volkswagen
  Code P1652 Volkswagen Possible Causes · Faulty Transmission Control Module (TCM) · Transmission Control Module (TCM) harness is open or shorted · Transmission ...

clearing codes wont correct the problem and limp mode is designed to protect motor and transmission - p0700 is a transmission problem
P0700 Transmission Control System Malfunction p0340 is camshaft position sensor malfunction
https://www.obd-codes.com/p0340 p0344 is also a camshaft position sensor circuit problem
P0344 Camshaft Position Sensor Circuit Intermittent your p430 is a cat converter problem
https://www.obd-codes.com/p0430 and p0888 is transmission relay problem these reasons are limp mode the knock can be fuel not burning correctly or a lower engine knock can mean you damaged a piston

It means there is at least one transmission code set in the TCM's memory. P0700 is an informational code only. More diagnosis is necessary to identify what the transmission fault is. This requires a scan tool that will communicate with the transmission module
http://www.obd-codes.com/p0700

did you replace the cam position sensor?

this could mean your transmission control module is going bad does the car have trouble shifting gears at all?

PO340 CAMSHAFT SENSOR,PO305 SPARK PLUG #5,COIL,WIRE,PO177 FUEL SENSOR,PO700 TRANSMISSION,

P0700 Transmission Control System Malfunction
P0730 Incorrect Gear Ratio
P0620 Generator Control Circuit Malfunction
P1130 Not found
P0340 Camshaft Position Sensor Circuit Malfunction

the manufacturers of the meter you used to read the codes for a start ,these are not manufacturers codes

P0340 Camshaft Position Sensor "A" Circuit Bank 1 or Single Sensor

P0700 Transmission Control System (MIL Request)

The code P1684 is real easy. The computer is stating that the battery has been disconnected within the last 50 starts.

P0700 Transmission Control System Malfunction P0733 Gear 3 Incorrect ratio INFO FROM http://autorepair.about.com/cs/troubleshooting/l/bl_obd_7.htm
hope this helps.....good luck!