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Vauxhall Workshop Service and Repair Manuals

F2:TROUBLE CODE TABLE Trouble Code 78 AT SHIFT TIME TOO LONG > < F2:TROUBLE CODE TABLE Trouble Code 75 TORQUE CONTROL VOLTAGE LOW

Electronic 4-Speed Automatic Transmission AF 13 / 14 / 20 / 22  F2:TROUBLE CODE TABLE

 

 

Trouble

Code

 

Information Sensor

Cause of Fault

Remedy in

F0:DATA LIST

No.

 

Trouble Code Storage when ...

 

Remarks

76

INCORRECT ENGINE

TPS LOAD SIGNAL

17

For all automatic transmissions except:

AF 14 / 20 automatic transmission with 16 SV, 18 SV engines (EI Plus control unit) or with C 20 NE, 20 NE engines (Motronic ML 4.1; Model Year '89); See trouble code 21, 22

 

·   At Ter. 25 the control unit recognizes no pulse width modulated signal or one which is  outside of the permitted range;

     the Low level (0 V) of the PWM signal occurs for less than 0.15 ms or for longer than 9.3 ms;

     (invalid pulse width or frequency)

·   The above conditions must be fulfilled for at least 4 s

 

If trouble code 76 was recognized, the following gears are still shifted in the following driving stages

(emergency program):

 

Automatic Transmission AF 14 / 20:

"Driving stage" (gear): "D" (4), "3" (3), "2" (3), "1" (1)

 

Automatic Transmission AF 13 / 22:

"Driving stage" (gear): "D" (4), "3" (4), "2" (3), "1" (1)

 

 

 

 

 

 

 

 

 


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F2:TROUBLE CODE TABLE Trouble Code 78 AT SHIFT TIME TOO LONG > < F2:TROUBLE CODE TABLE Trouble Code 75 TORQUE CONTROL VOLTAGE LOW