Diagnostic Aids
Code will set when an unknown gear ratio is detected for any gear but 4th. Check all connections, especially those at transmission pass-thru connector. If code is intermittent, see INTERMITTENTS in TESTS W/O CODES - GASOLINE article. Compare scan tester gear ratio reading to specifications in GEAR RATIO table.
GEAR RATIO
| Gear | Less Than | More Than |
|---|---|---|
| 1st | 12.38 | 22.63 |
| 2nd | 11.43 | 21.58 |
| 3rd | 1.95 | 21.05 |
| Reverse | 11.97 | 22.17 |