P0734

Test 327-330:

Test 331:

SYMPTOM:
P0734-GEAR RATIO ERROR IN 4TH

When Monitored and Set Condition:
P0734-GEAR RATIO ERROR IN 4TH
When Monitored: The transmission gear/speed ratio is monitored continuously while the transmission is in gear. This code is set if the gear/speed ratio is not correct for a period of time.
Set Condition: A hard code is set within 3 seconds, an intermittent code sets with 3 seconds, an intermittent code sets within 15 seconds. Codes P0731, P0732, P0733, P0734 set if the ratio of the input RPM (NO to output RPM (No) does not match the given gear ratio.

POSSIBLE CAUSES
- CHECKING SYMPTOMS AND POSSIBLE CAUSES
- LOW BATTERY VOLTAGE CAUSING SYMPTOM
- INTERMITTENT CODE P0734

Test 139-143:

SYMPTOM:
ADDITIONAL GEAR RATIO ERROR IN 4TH (P0734)

POSSIBLE CAUSES
- CUST COMPLAINT OF INTERMITTENT 4TH GEAR
- 2-4 AND OD PRESSURES < 75 PSI
- OD OR 2-4 CLUTCH VOLUME INDEXES OUT OF SPEC
- OD OR 2-4 PRESSURE < 75 PSI
- TRANS GOES INTO LIMP MODE IN 4TH GEAR