53 ECM flash error
53 ECM flash error
54 ECM EEPROM error
54 ECM EEPROM error
63 ECM serial data low
63 ECM serial data open/high
63 TSSM serial data low
63 TSSM serial data open/high
61 Loss of TSM/TSSM serial data
14 Loss of all ECM serial data (state of health)10 24 Loss of vehicle speed10 33 Loss of 43 Loss of powertrain security status
33 System relay contacts open
33 System relay coil high/shorted
33 System relay coil open/low
33 System relay contacts closed
99 Incorrect password
99 Missing password
41 CKP sensor intermittent
41 CKP sensor synch error
11 TP sensor open/low
11 TP sensor high
12 MAP sensor open/low
12 MAP sensor high
14 ET sensor voltage low
14 ET sensor open/high
15 IAT sensor voltage low
15 IAT sensor open/high
27 Current 24 Front ignition coil open/low
25 Rear ignition coil open/low
24 Front ignition coil high/shorted
25 Rear ignition coil high/shorted
24 Front cylinder combustion intermittent
25 Rear cylinder combustion intermittent
23 Front injector open/low
32 Rear injector open/low
23 Front injector high
32 Rear injector high
16 Battery voltage low
16 Battery voltage high
43 VSS sensor low
43 VSS sensor high
35 Tachometer low
35 Tachometer high
25 Rear cylinder no combustion
24 Front cylinder no combustion
34 Loss of idle speed control IDLE AIR CONTROL
35 Accelerometer fault
34 Starter output high
25 Ignition enable output high
21 Left turn output fault
22 Right turn output fault
11 Battery voltage high
31 Alarm output low
32 Alarm output high
41 Ignition switch open/low
42 Cam position sensor
63 ECM serial data low
63 ECM serial data open/high
63 TSSM serial data low
63 TSSM serial data open/high
61 Loss of TSM/TSSM serial data
14 Loss of all ECM serial data (state of health)
33 System relay contacts open
33 System relay coil high/shorted
33 System relay coil open/low
33 System relay contacts closed
99 Incorrect password
99 Missing password
41 CKP sensor intermittent
41 CKP sensor synch error
11 TP sensor open/low
11 TP sensor high
12 MAP sensor open/low
12 MAP sensor high
14 ET sensor voltage low
14 ET sensor open/high
15 IAT sensor voltage low
15 IAT sensor open/high
24 Front ignition coil open/low
25 Rear ignition coil open/low
24 Front ignition coil high/shorted
25 Rear ignition coil high/shorted
24 Front cylinder combustion intermittent
25 Rear cylinder combustion intermittent
23 Front injector open/low
32 Rear injector open/low
23 Front injector high
32 Rear injector high
16 Battery voltage low
16 Battery voltage high
43 VSS sensor low
43 VSS sensor high
35 Tachometer low
35 Tachometer high
25 Rear cylinder no combustion
24 Front cylinder no combustion
34 Loss of idle speed control
35 Accelerometer fault
34 Starter output high
25 Ignition enable output high
21 Left turn output fault
22 Right turn output fault.
11 Battery voltage high
31 Alarm output low
32 Alarm output high
41 Ignition switch open/low
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I have a 99 Ultra and the tach failed. Code 35 is present. wiring tach to computer appears fine. There is no power comuter to Tach, and I don't know what is driving signal to the computer for the tach. Any help would be great! The shop manual I borrowed only shows tach to computer. Did just replace the Stator and Rotor....