How Serious is the Code?
The P2705 OBDII diagnostic trouble code is often seen as a harbinger of bad things, as it often relates to a faulty transmission pump or a speed sensor located deep the inside the transmission.
What Transmission Do I Have?
Symptoms
Symptoms of a P2705 include:
- Unusually firm shifts
- Slipping between gears
- Failure to change gears
- Limp mode
Causes
- Low transmission fluid level
- A dirty transmission filter or fluid
- Damaged wiring or connectors
- A bad transmission pump
- An overheating transmission
- A failed TCM
- A failed input speed sensor or output speed sensor
How to Diagnose the Code?
When diagnosing a P2705 diagnostic trouble code, the condition and level of transmission fluid should be examined. Any fluid leaks should also be addressed, along with any damage to the wiring or connectors on the transmission wiring harness. Should no issues be found, the transmission pump, output speed sensor and input speed sensor should be tested.
What Transmission Do I Have?
What Repairs Will Fix P2705?
- Replace the transmission fluid/filter
- Repair any transmission fluid leaks
- Repair any damage to wiring/connectors
- Install new transmission pump
- Install new TCM
- Install new output speed sensor/input speed sensor
- Install remanufactured transmission
Related Codes
P2700 – Transmission Friction Element A Apply Time Range/Performance
P2701 – Transmission Friction Element B Apply Time Range/Performance
P2702 – Transmission Friction Element C Apply Time Range/Performance
P2703 – Transmission Friction Element D Apply Time Range/Performance
P2704 – Transmission Friction Element E Apply Time Range/Performance
