C1709 on 2005-2012 Nissan Pathfinder: TPMS Sensor Fault Causes and Fixes

What's Unique About the 2005-2012 Nissan PATHFINDER

For this generation of Pathfinder, Nissan issued a Technical Service Bulletin (NTB13088A) that specifically highlights radio frequency (RF) interference as a potential cause for C1709 and related "No Data" codes. Before replacing parts, it's crucial to check for and unplug aftermarket devices like cheap phone chargers, power inverters, or dash cams that could be disrupting the sensor's signal. Forum users have confirmed that unplugging a newly purchased, low-quality 12V USB charger immediately resolved the C1709 code, validating the TSB's warning. This is a unique and free diagnostic step called out by the manufacturer.

Diagnostic Flowchart

Tap your situation to follow the diagnostic path that matches what you're seeing on this vehicle.

Symptoms You May Notice

• TPMS warning light flashes for 60-90 seconds upon startup, then remains lit.
• Tire pressure display, if equipped, shows no reading ("--") for the front-right tire.
• "TPMS Error: Check Owner's Manual" message may appear on the information display.

Most Likely Causes

1. Dead TPMS Sensor Battery 🔴 High Probability TPMS sensor batteries are sealed and have a finite lifespan, typically cited as 5-10 years. Vehicles in this 2005-2012 range are now old enough that failure of the original sensor batteries is expected and common.
   How to confirm: A TPMS diagnostic tool can check the battery status of the sensor. If the tool cannot get any response or shows a 'low battery' status, the battery is dead or the sensor has failed.
   Typical fix: Replace the entire front-right TPMS sensor. The battery is not serviced separately. It is often recommended to replace all four sensors at once if they are original, as the others are likely to fail soon.
   Est. part cost: $30-$80
2. Failed TPMS Sensor 🟡 Medium Probability Physical damage during tire service is a common cause of failure. Additionally, corrosion of the aluminum valve stem, especially in regions that use road salt, can damage the sensor seal or the sensor itself.
   How to confirm: A TPMS diagnostic tool will be unable to read or trigger the sensor. Visual inspection after dismounting the tire may show cracks, corrosion, or physical damage to the sensor body or valve stem.
   Typical fix: Replace the front-right TPMS sensor and register the new sensor ID to the vehicle.
   Est. part cost: $30-$80
3. Radio Frequency (RF) Interference ⚪ Low Probability As noted in Nissan TSB NTB13088A, aftermarket electronics (especially low-quality ones plugged into 12V outlets) can generate RF noise that interferes with the 315 MHz signal from the TPMS sensors. These vehicles were designed before the proliferation of such devices, making them potentially more susceptible.
   How to confirm: Unplug all aftermarket electronic devices, such as phone chargers, dash cams, power inverters, and DVD players. Clear the codes (if possible) and drive the vehicle to see if the fault clears. If the TPMS light goes out, one of the devices was the cause.
   Typical fix: Remove or replace the interfering electronic device with a higher-quality, properly shielded alternative.
   Est. part cost: $0

Rare But Worth Checking

• Faulty TPMS Control Module / BCM: This is very rare. Before condemning the BCM, all sensors should be verified as working and properly registered. If multiple, known-good sensors fail to communicate or a new sensor cannot be registered to any wheel position, the BCM or its wiring may be the issue.
• Incorrect Sensor Registration: If sensors were recently replaced or tires rotated, the BCM may still be looking for the old sensor ID in the front-right position. This can happen if the relearn procedure was not performed or failed. A TPMS tool is needed to confirm which sensor ID is registered to which position and perform the relearn.

Diagnosis Steps

1. Verify the code C1709 is present using an OBD-II scanner that can read Chassis (C) codes.
2. Note the symptom: Is the TPMS light flashing on startup, then solid? This indicates a system fault, not low pressure.
3. Unplug ALL aftermarket electronics from 12V power outlets to rule out RF interference as per TSB NTB13088A.
4. Use a TPMS activation tool (like an Autel TS508 or similar) at the front-right wheel to attempt to read the sensor's pressure, temperature, battery status, and ID.
5. If the tool gets no response or shows a dead battery, the sensor has failed and must be replaced.
6. If the tool successfully reads the sensor ID, the issue may be a registration problem or an intermittent failure. Attempt to re-register all sensor IDs to the vehicle using the TPMS tool's OBD-II relearn function.
7. If the sensor is replaced, the tire must be dismounted. Install the new sensor, ensuring the valve stem nut is torqued correctly (typically around 4.0 Nm).
8. Use the TPMS tool to perform the vehicle's specific relearn procedure. For this Pathfinder, this involves writing the new sensor's unique ID to the BCM via the OBD-II port.
9. Clear the trouble codes and drive the vehicle above 25 mph for several minutes to confirm the light stays off.

Parts You'll Likely Need

• Tire Pressure Monitoring System (TPMS) Sensor (OEM #40700-JA01C (superseded by 40700-JK01C)) — This is the component that fails, usually due to its internal battery expiring after 7-10 years. The entire unit must be replaced.
  Trusted brands: Schrader (OEM supplier), Continental/VDO, Autel (Programmable), Hitachi
  OEM price range: $60-$100
  Aftermarket price range: $30-$60

Related Codes That Often Appear With This One

• C1708 — This is the code for the front-left sensor. It's common for sensor batteries to fail around the same time due to age.
• C1710 — This is the code for the rear-right sensor. Multiple sensor failures are common as a vehicle ages.
• C1711 — This is the code for the rear-left sensor. It is often recommended to replace all four sensors if they are original and one has failed.

Technical Service Bulletins (TSBs) & Recalls

• NTB13088A: Summarizes common TPMS issues and diagnostics, including RF interference causing 'No Data' codes C1708, C1709, C1710, and C1711. It also covers sensor leaks and registration procedures.

Platform-Specific Known Issues

• Nissan TSB NTB13088A specifically warns that radio frequency interference from devices like cell phone chargers can cause a 'No Data' condition, leading to code C1709.
• While some older Nissan models had a manual, paperclip-based relearn procedure, this generation of Pathfinder requires an electronic TPMS tool connected to the OBD-II port to register new sensors.

Scan Tool Commands That Help

• Nissan CONSULT-II / CONSULT-III: Work Support for Air Pressure Monitor — This function is used to perform 'ID REGISTRATION' when installing new TPMS sensors. The tool guides the technician to trigger each sensor in sequence (LF, RF, RR, LR) to write their unique IDs to the BCM.
• Nissan CONSULT-II / CONSULT-III: Self-Diagnosis (BCM) — Used to confirm C1709 and any other related TPMS codes stored in the Body Control Module before beginning diagnosis.
• Nissan CONSULT-II / CONSULT-III: READ CONFIGURATION / WRITE CONFIGURATION — This is a critical function if the entire BCM is being replaced. The configuration of the old BCM must be read and saved, then written to the new BCM to ensure all vehicle systems, including TPMS, function correctly.

Wiring & Ground Locations

• BCM (Body Control Module) — Located under the driver's side dashboard, typically a black box near the steering column, held by two 10mm bolts.. The BCM serves as the control unit and receiver for the TPMS system on this vehicle. It receives the 315 MHz signals from the wheel sensors and logs codes like C1709 when a signal is lost. All diagnostic communication for TPMS goes through the BCM.
• TPMS Reset Connector (if equipped) — On some early platform-mate vehicles like the Xterra, a single-wire white connector can be found hanging near the OBD-II port in the driver's footwell.. While OBD-II registration is the standard procedure, some owners have successfully used this connector for a manual relearn process by grounding it in a specific sequence. This is a potential workaround if a TPMS tool is unavailable, but its presence on all Pathfinders in this range is not guaranteed.

Real Owner Repair Stories

• Project:Keira blog / thenewx.org forum (2006 Nissan Xterra (platform mate)) — TPMS light was on after breaking an original sensor during a tire change and replacing it with a faulty aftermarket (eBay) one, then a new OEM one.
  ❌ Tried (didn't work) A cheap eBay sensor could not be programmed, even by a Nissan dealer's tool., Initial attempts to program the new OEM sensor failed.
  ✅ What actually fixed it A manual relearn procedure was performed using a paperclip to ground a single-wire TPMS reset plug found near the OBD-II port. The wire was grounded 6 times in 10 seconds with the key on, which put the system into learning mode. Driving the vehicle afterwards allowed the BCM to recognize the new sensor and turn off the light.

OEM Part Supersession History

• 40700-JA01C → 40700-JK01C — Standard part evolution and consolidation by Nissan.
  Heads up: The new part number 40700-JK01C is the correct service replacement for 40700-JA01C and a long list of other previous part numbers, including 40700-JA01A, 40700-JA01B, 40700-JK00A, 40700-JK00B, 40700-JK00C, 40700-JK00D, 40700-JK00E, 40700-JK01A, and 40700-JK01B. They are all cross-compatible for this application.