How to Find your Diagnostic Trouble Codes
The speedometer is capable of displaying & clearing speedometer , tachometer TSM/TSSM , HFSM , ECM , ABS Diagnostic Trouble Codes also known as DTC's . The radios DTC's are retrieved through the radio and displayed through the radio display .
1 - Turn the ignition switch to off & run/stop switch is to run .
2 - Push odometer reset button in & HOLD .
3 - Turn the ignition switch on and then release odometer reset button . The background lighting should illuminate & the speedometer needle should sweep it's full range & indicator lamps ( battery , security , low fuel , check engine and cruise ) should illuminate . The word "DIAG" should then appear .
4 - Push the odometer reset button once and you will see the selection menu "PSSPtb" with the first P flashing .
5 - Each letter represents a area of the diagnostics module . The module that is flashing is the one you are going to check . To move from one letter to the next you must push the odometer reset button one time . ( from P to S to SP to t to b and back to P , ect ect )
P = ECM
S = TSM/TSSM/HFSM
SP = speedometer
t = tachometer
b = ABS codes
6 - To get the DTC code in a area of diagnostics you should PUSH & HOLD the odometer reset button in for 5 seconds and the release . If there are any DTC's the code will be displayed or the word " none " will appear if there are no DTC's . Push the odometer reset button again to view any additional codes if they exist .
7 - Record the codes .
8 - If DTC's are NOT to be cleared , press and release the odometer reset button . Part #of module will be displayed .
9 - If DTC's are to be cleared for that module , PRESS & HOLD the odometer reset button until " clear " is displayed .
10 - Press and release the odometer reset button to continue to the next module .
11 - Turn the ignition switch off to exit the diagnostic mode
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