Other Concerns: Noise/Vibration - Forward or Reverse
Note. NVH symptoms should be identified using the diagnostic tools that are available. For a list of these tools, an explanation of their uses and a glossary of common terms, refer to GLOSSARY OF TERMS . Since it is possible any one of multiple systems may be the cause of a symptom, it may be necessary to use a process of elimination type of diagnostic approach to pinpoint the responsible system. If this is not the causal system for the symptom, refer back to NOISE, VIBRATION AND HARSHNESS (NVH) for the next likely system and continue diagnosis.
| Possible Component | Reference/Action |
|---|---|
| 254 - ROUTINE | |
| Powertrain Control System | Carry out On-Board Diagnostic (OBD) tests. Refer to INTRODUCTION - GASOLINE MODELS for diagnosis and testing of the TCM . Go To PINPOINT TEST A . Repair as required. Clear the DTCs, road test and retrieve any DTCs. |
| Transmission Control Module (TCM), vehicle wiring harnesses, Shift Solenoid A (SSA) and Shift Solenoid B (SSB) | |
| Incorrect Transmission Fluid Level | Check the transmission fluid level. Adjust the transmission fluid level as necessary. Refer to PRELIMINARY INSPECTION . |
| Transmission fluid level low/overfilled | |
| Torque Converter | Refer to TORQUE CONVERTER DIAGNOSIS . |
| Worn or damaged torque converter | |
| Transaxle Support Insulator | Inspect the transaxle support insulator for damage. Install new as necessary. Refer to Installation . |
| Worn or damaged transaxle support insulator | |
DIAGNOSTIC ROUTINES REFERENCE - OTHER CONCERNS NOISE/VIBRATION - FORWARD OR REVERSE