No Diagnostic Trouble Codes (DTCs) Present Symptom Chart Index
DIAGNOSTIC TROUBLE CODES (DTCS) PRESENT SYMPTOM CHART - DRIVEABILITY
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Starting Concerns | Hard Start/Long Crank/Erratic Start/Erratic Crank | 602300 | Chart Number: 2 |
| No crank | 601300 | Chart Number: 22 | |
| No start (engine cranks) | 603300 | Chart Number: 3 | |
| Unique Idle Concerns | Slow return to idle | 617400 | Chart Number: 4 |
| Rolling idle | 618400 | Chart Number: 1 | |
| Fast idle | 619400 | Chart Number: 5 | |
| Low/Slow idle | 607400 | Chart Number: 6 | |
DIAGNOSTIC TROUBLE CODES (DTCS) PRESENT SYMPTOM CHART (DRIVEABILITY - PERFORMANCE DRIVING CONCERNS)
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Stalls/Quits | Idle/Acceleration/Cruise | 607x00 | Chart Number: 1 |
| Deceleration | 607700 | Chart Number: 6 | |
| Stall after start | 607000 | Chart Number: 1 | |
| Runs Rough | 608x00 | Chart Number: 1 | |
| Misses | 609x00 | Chart Number: 1 | |
| Buck/Jerk | 610x00 | Chart Number: 1 | |
| Hesitation/Stumble | 611x00 | Chart Number: 1 | |
| Surge | 612x00 | Chart Number: 1 | |
| Backfires | 613x00 | Chart Number: 7 | |
| Lack/Loss of Power | 614x00 | Chart Number: 8 | |
| Spark Knock | 615x00 | Chart Number: 9 | |
NOTE:
OASIS identifiers (the x means any number (1-9) can be used) xxx4xx equals during idle, xxx5xx equals during acceleration, xxx6xx equals during cruise, xxx7xx equals during deceleration.
DIAGNOSTIC TROUBLE CODES (DTCS) PRESENT SYMPTOM CHART - ADDITIONAL DRIVEABILITY CONCERNS
| System/Symptom | Oasis Number | Chart Number |
|---|---|---|
| Diesels/Runs On | 621000 | Chart Number: 5 |
| Poor Fuel Economy | 622000 | Chart Number: 10 |
| Emissions Compliance | 623000 | Chart Number: 11 |
DIAGNOSTIC TROUBLE CODES (DTCS) PRESENT SYMPTOM CHART - ELECTRICAL
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Warning Indicators | Malfunction indicator lamp (MIL) | 698298 | Chart Number: 12 |
| Transmission control indicator lamp (TCIL) | 698298 | Chart Number: 12 | |
| Power take off (PTO) | 507000 | Chart Number: 12 | |
| Temperature warning indicator or gauge (for vehicles equipped with a cylinder head temperature (CHT) sensor only) | 206000 | Chart Number: 12 | |
| Check fuel cap indicator | 206000 | Chart Number: 12 | |
| Powertrain malfunction indicator (wrench) | 698298 | Chart Number: 12 | |
| Instrumentation | Tachometer inoperative | 204000 | Chart Number: 14 |
| Speedometer/odometer inoperative | 204000 | Chart Number: 14 | |
| Boost gauge indicates higher than normal boost | 204000 | Chart Number: 14 | |
| Fuel gauge inoperative | 204000 | Chart Number: 14 | |
DIAGNOSTIC TROUBLE CODES (DTCS) PRESENT SYMPTOM CHART - ENGINE
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Oil System Concerns | High oil consumption | 401000 | Chart Number: 15 |
| Leaks | 401000 | Chart Number: 15 | |
| Cooling System Concerns | Electric cooling fan does not operate (low, high or variable speed) | 402000 | Chart Number: 16 |
| Cooling fan clutch does not operate | 402000 | Chart Number: 16 | |
| Electric cooling fan always runs | 402000 | Chart Number: 17 | |
| Exhaust System Concerns | Visible smoke | 403000 | Chart Number: 18 |
| Odor (sulfur or rotten egg smell) | 403000 | Chart Number: 21 | |
| Fuel System Concerns | Odor, engine compartment | 404000 | Chart Number: 19 |
| Engine Noise (under hood) | 497000 | Chart Number: 20 | |
DIAGNOSTIC TROUBLE CODES (DTCS) PRESENT SYMPTOM CHART - DRIVELINE
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Automatic Transmission (A/T) Shift Concerns | Upshift | 501000 | Chart Number: 13 |
| Downshift | 502000 | Chart Number: 13 | |
| Engagement | 503000 | Chart Number: 13 | |
DIAGNOSTIC TROUBLE CODES (DTCS) PRESENT SYMPTOM CHART - POWER TAKE OFF (PTO)
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| PTO Concerns | Not working correctly | 507000 | Chart Number: 12 |