P1739

Test 454-459:

Test 460-465:

Test 466-467:

SYMPTOM:
P1739-POWER-UP AT SPEED

When Monitored and Set Condition:
P1739-POWER-UP AT SPEED
When Monitored: When TCM initially power-up.
Set Condition: If the TCM power up while in the "Drive" position and the vehicle is going above 20 MPH, the code is set.

POSSIBLE CAUSES
- CHECKING SYMPTOMS AND POSSIBLE CAUSES
- LOW BATTERY VOLTAGE CAUSING SYMPTOM
- INTERMITTENT OPEN BETWEEN TCM AND PDC
- TCM 12 VOLT CIRCUIT OPEN BETWEEN TCM & FUSE
- TCM DAMAGED INTERNALLY
- INTERMITTENT OPEN BETWEEN TCM AND FUSE
- TCM 12 VOLT SUPPLY SHORT TO GROUND
- FUSED IGNITION SW OUT OPEN BTWN TCM AND FUSE
- FUSED B(+) SHRT BTWN TCM AND FUSE
- INTERMITTENT OPEN AT TCM GROUND CIRCUIT
- TCM GROUND CIRCUIT OPEN
- INTERMITTENT CODE P1739