Engine Error
P0712
Transmission Fluid Temperature Sensor A Circuit Low
Severity
Medium
Symptoms
Transmission warning light on, delayed shifting, erratic torque converter operation
Common Causes
- Short to ground in TFT sensor wiring
- Failed TFT sensor (reads falsely hot)
- Melted wiring harness on exhaust
- Internal transmission short
How to Fix
- 1 Trace and repair shorted wiring
- 2 Replace TFT sensor in transmission valve body
- 3 Reroute and repair external harness
- 4 Inspect internal transmission harness
Estimated Repair Cost
USD
$100
–
$500
Wiring repair: $100 - $200; Sensor and fluid replacement: $300 - $500