← Back to OBD2 List
Nissan
🚨 Critical
Nissan
P0700
NISSAN P0700 Transmission Control System Malfunction
The P0700 diagnostic trouble code indicates a malfunction in the Transmission Control System Malfunction. Often reported in Nissan diagnostic scans, typically related to generic tcu fault flag. This is a well-documented issue for nissan vehicles equipped with DIG-T, dCi, VQ technology. It typically triggers the MIL (Malfunction Indicator Lamp) and may affect overall engine efficiency and emission levels.
Brand
Nissan
Fault Code
P0700
Severity
🚨 Critical
Models
Qashqai, Juke, Micra, Note, X-Trail, 370Z, Navara
🛠️ Diagnostic Overview
Difficulty Level
🛠️🛠️
Medium (Moderate)
Estimated Time
⏱️ 1-2 Hours
🧰 Required Tools
- ✓ Digital Multimeter
- ✓ OBD2 Diagnostic Scanner
- ✓ Socket Wrench & Hand Tools
- ✓ Electrical Contact Cleaner Spray
⚠️ Possible Causes
- Generic TCU fault flag
- Faulty signal from the respective sensor module
- Corrosion or physical damage to the wiring harness
- Internal mechanical wear within the system components of the nissan powertrain.
🔧 Recommended Fixes
- Begin by checking the sensor's real-time data using an OBD2 diagnostic tool. Inspect the associated wiring for any signs of fraying or loose connections. Clean the affected components if applicable, or replace them with high-quality OEM parts approved for nissan. Reset the fault codes and perform a drive cycle to verify the repair.
🚨 This fault is CRITICAL! Stop driving immediately and consult a qualified technician.
🚗 Commonly Affected Vehicles
🏭 Nissan – Other Common Fault Codes