Diagnostic Aids: Notes
NOTE:
Some diagnostic tests refer to "diagnostic aids" when problem cannot be identified, or is not present at the time of diagnosis. The following diagnostic aids are provided to assist in trouble shooting an intermittent problem. Diagnostic aids are DTC specific and should be performed only when directed by a specific diagnostic test.
DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description |
|---|---|
| DTC 38, 39, 40, 41, 42 | TECH 1 HYDRAULIC CONTROL TEST |
| DTC 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66 | TECH 1 SCAN TOOL |
| DTC 82 | ENHANCED DIAGNOSTIC FEATURE OF TECH 1 SCAN TOOL |
| DTC 93 | VERIFY STOPLIGHT SWITCH OPERATION |
| DTC 14 | ABS ENABLE RELAY CONTACT CIRCUIT OPEN |
| DTC 15 | ABS ENABLE RELAY CIRCUIT SHORTED TO BATTERY OR ALWAYS CLOSED |
| DTC 16 | ABS ENABLE RELAY COIL CIRCUIT OPEN |
| DTC 17 | ABS ENABLE RELAY CIRCUIT SHORTED TO GROUND |
| DTC 18 | ABS ENABLE RELAY CIRCUIT SHORTED TO BATTERY |
| DTC 21 | LEFT FRONT WHEEL SPEED = 0 |
| DTC 22 | RIGHT FRONT WHEEL SPEED = 0 |
| DTC 23 | LEFT REAR WHEEL SPEED = 0 |
| DTC 24 | REAR WHEEL SPEED = 0 |
| DTC 25 | LEFT FRONT EXCESSIVE WHEEL SPEED VARIATION |
| DTC 26 | RIGHT FRONT EXCESSIVE WHEEL SPEED VARIATION |
| DTC 27 | LEFT REAR EXCESSIVE WHEEL SPEED VARIATION |
| DTC 28 | REAR EXCESSIVE WHEEL SPEED VARIATION |
| DTC 31 | 2WD CONTROLLER IN 4WD VEHICLE |
| DTC 32 | LEFT FRONT WHEEL SPEED SENSOR CIRCUIT OPEN OR SHORTED TO GROUND/BATTERY |
| DTC 33 | RIGHT FRONT WHEEL SPEED SENSOR CIRCUIT OPEN OR SHORTED TO GROUND/BATTERY |
| DTC 34 | REAR WHEEL SPEED SENSOR CIRCUIT OPEN OR SHORTED TO GROUND/BATTERY |
| DTC 35 | RIGHT REAR WHEEL SPEED SENSOR CIRCUIT OPEN OR SHORTED TO GROUND/BATTERY |
| DTC 36 | LOW SYSTEM VOLTAGE |
| DTC 37 | HIGH SYSTEM VOLTAGE |
| DTC 38 | LEFT FRONT ESB WILL NOT HOLD MOTOR |
| DTC 41 | RIGHT FRONT ESB WILL NOT HOLD MOTOR |
| DTC 42 | REAR ESB WILL NOT HOLD MOTOR |
| DTC 44 | LEFT FRONT CHANNEL WILL NOT MOVE |
| DTC 45 | RIGHT FRONT CHANNEL WILL NOT MOVE |
| DTC 46 | REAR CHANNEL WILL NOT MOVE |
| DTC 47 | LEFT FRONT MOTOR FREE SPINS |
| DTC 48 | RIGHT FRONT MOTOR FREE SPINS |
| DTC 51 | REAR MOTOR FREE SPINS |
| DTC 55 | EBCM MALFUNCTION |
| DTC 56 | LEFT FRONT MOTOR CIRCUIT OPEN |
| DTC 57 | LEFT FRONT MOTOR CIRCUIT SHORTED TO GROUND |
| DTC 58 | LEFT FRONT MOTOR CIRCUIT SHORTED TO BATTERY |
| DTC 61 | RIGHT FRONT MOTOR CIRCUIT OPEN |
| DTC 62 | RIGHT FRONT MOTOR CIRCUIT SHORTED TO GROUND |
| DTC 63 | RIGHT FRONT MOTOR CIRCUIT SHORTED TO BATTERY |
| DTC 64 | REAR MOTOR CIRCUIT OPEN |
| DTC 65 | REAR MOTOR CIRCUIT SHORTED TO GROUND |
| DTC 66 | REAR MOTOR CIRCUIT SHORTED TO BATTERY |
| DTC 71 | REAR SOLENOID CIRCUIT OPEN OR SHORTED TO GROUND |
| DTC 72 | REAR SOLENOID CIRCUIT SHORTED TO BATTERY |
| DTC 76 | LEFT FRONT SOLENOID CIRCUIT OPEN OR SHORTED TO GROUND |
| DTC 77 | LEFT FRONT SOLENOID CIRCUIT SHORTED TO BATTERY |
| DTC 78 | RIGHT FRONT SOLENOID CIRCUIT OPEN OR SHORTED TO GROUND |
| DTC 81 | RIGHT FRONT SOLENOID CIRCUIT SHORTED TO BATTERY |
| DTC 82 | CALIBRATION MALFUNCTION |
| DTC 91 | OPEN BRAKE SWITCH DURING DECELERATION |
| DTC 92 | OPEN BRAKE SWITCH WHEN ABS WAS REQUIRED |
| DTC 93, 91 or 92 | SET IN CURRENT OR PREVIOUS IGNITION CYCLE |
| DTC 94 | BRAKE SWITCH CONTACT ALWAYS CLOSED |
| DTC 95 | BRAKE SWITCH CIRCUIT ALWAYS OPEN |
| DTC 96 | 4WD SWITCH CIRCUIT OPEN OR SHORT TO BATTERY |
| DTC 97 | ACCELEROMETER ("G" SENSOR) CIRCUIT SHORTED TO GROUND |
| DTC 98 | ACCELEROMETER ("G" SENSOR) CIRCUIT OPEN OR SHORTED TO GROUND |