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06 Charger RT Codes

2K views 1 reply 2 participants last post by  richd 
#1 ·
Hello, 06 Charger RT 5.7L 65K. Just got it last week less than 1 tank of gas used sofar.
Car was accelerating from red light to 45mph. NOT STOMPING ON IT!!! Average acceleration used. Car would not shift higher than 2nd gear in auto mode.
I have also had problems with the manual portion of the Tranny. There are times when the tap up/down into manual mode does not work, it remains in Drive.
Codes pulled as follows:
P2767, P0700, C0121

Any help would be appreciated.

Thanks,
GG
 
#2 ·
P2767 Is a code for speed sensors which is causing your limp mode,not shifting past 2nd gear.If you bought this from a dealer,there should be some kind of warranty.If you bought it from a individual,thats probably why they got rid of the car.The speed senors are inside the tranny on top of the valve body,here is what it says about the P2767;

P2767-INPUT SPEED SENSOR 2 CIRCUIT NO SIGNAL
Theory of Operation

The Input Speed Sensor 2 (N3) is one of two hall effect speed sensors that are used by the Transmission Control Module (TCM) to calculate the transmissions turbine speed. Since the turbine speed could not be measured directly, two of the drive elements are measured. Two input speed sensors are required because both elements are not active in all gears.

When Monitored:
Engine speed greater than 450 RPM with none of the following DTCs present: engine speed, TCM undervoltage, output speed sensor, and/or rear wheel speed DTCs. Also required are all wheel speeds above 250 RPM and no wheel slip detected (signal from the ABS system).
Set Condition: If the Input Speed Sensor 2 (N3) signal is equal to 0 RPM.
Possible Causes
(T72) SENSOR SUPPLY VOLTAGE CIRCUIT OPEN
(T71) INPUT SPEED SENSOR 2 (N3) SIGNAL CIRCUIT OPEN
(T71) SPEED SENSOR 2 (N3) SIGNAL CIRCUIT SHORT TO ANOTHER CIRCUIT
(T13) SENSOR GROUND CIRCUIT OPEN
(T13) SENSOR GROUND CIRCUIT SHORT TO ANOTHER CIRCUIT
(T71) SPEED SENSOR 2 (N3) SIGNAL CIRCUIT SHORT TO GROUND
(T13) SENSOR GROUND CIRCUIT SHORT TO GROUND
INPUT SPEED SENSOR 2 (N3)
TRANSMISSION CONTROL MODULE
 
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