P2067 on 2014-2015 Jeep Cherokee: Fuel Level Sensor 'B' Circuit Low - Often a Software Glitch

What's Unique About the 2014-2015 Jeep CHEROKEE

For the 2014-2015 Jeep Cherokee (KL generation), this code has a unique and well-documented history tied to software problems. Jeep issued multiple Technical Service Bulletins (TSBs) stating this code could be set erroneously and that a PCM software update is the required fix. Notably, the TSBs classify this code as "International Only," which strongly suggests that when it appears on a US-market vehicle, it is almost certainly a software anomaly rather than a hardware failure. 🎬 Watch: Diagnostic video showing how software logic triggers this code. This happens because some vehicle configurations (like Front-Wheel Drive models) only have one fuel level sensor, but incorrect software logic in the PCM looks for a second sensor ('B') that doesn't exist. A diagnostic video demonstrated that flashing a front-wheel-drive Cherokee with firmware intended for a 4x4 model (which has two fuel sensors) can incorrectly trigger this code.

Diagnostic Flowchart

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

Symptoms You May Notice

• Check Engine Light is on
• Fuel gauge reads empty, full, or is highly erratic and inaccurate.
• Low fuel warning light may be on even with a full tank.
• Fuel gauge may appear to work correctly for a while, then suddenly drop to empty.

Most Likely Causes

1. Powertrain Control Module (PCM) Software Anomaly 🔴 High Probability As documented in at least five separate TSBs for the 2014-2015 Cherokee, the original PCM software was prone to incorrectly flagging a P2067 code, especially on vehicles where a second sensor isn't physically present. This was a known issue that Jeep addressed via software updates.
   How to confirm: Contact a Jeep dealership with your vehicle's VIN and ask them to check if TSBs #18-085-17, #18-060-14 REV. C, #18-035-16 REV.A, or #18-007-15 REV C are open for your vehicle. Owners on forums like jeepcherokeeclub.com have confirmed this is the first step the dealer takes.
   Typical fix: The dealership will perform a software update (reflash) on the Powertrain Control Module (PCM) and/or Transmission Control Module (TCM). This typically costs one hour of shop labor.
   Est. part cost: $0
2. Failed Fuel Level Sensor 'B' (Auxiliary Sending Unit) 🟡 Medium Probability On AWD models that have two sensors, the auxiliary sending unit can fail. The fuel level sensor is a moving part (a float arm connected to a variable resistor) that can wear out or get stuck over time, leading to an open or shorted circuit.
   How to confirm: After confirming the PCM software is up-to-date, a technician can monitor live data from the sensor. If the voltage reads near zero regardless of fuel level, and the wiring is confirmed to be good, the sensor is faulty.
   Typical fix: Replace the secondary fuel level sending unit (also called the auxiliary fuel pump module or fuel level control unit). This requires accessing the top of the fuel tank, which may involve removing the rear seat cushion.
   Est. part cost: $160-$260 (OEM), $50-$100 (Aftermarket)
3. Wiring or Connector Issue ⚪ Low Probability The wiring harness running to the fuel tank is exposed under the vehicle and can be damaged by road debris or corrosion. The connector on top of the fuel tank module can also corrode if moisture gets past the seal.
   How to confirm: Perform a visual inspection of the wiring harness leading to the fuel tank. Check the connector at the fuel pump module for corrosion or damage. A technician can test the signal wire for a short to ground using a digital multimeter.
   Typical fix: Repair the damaged section of the wiring harness or clean/replace the corroded connector.
   Est. part cost: $10-$100

Rare But Worth Checking

• Incorrect PCM Replacement/Programming:

Diagnosis Steps

1. Connect an OBD-II scanner to check for P2067 and any other stored codes.
2. Crucially, contact a Jeep dealership with your VIN. Inquire about the status of TSBs #18-085-17, #18-060-14 REV. C, #18-035-16 REV.A, and #18-007-15 REV C. This is the most likely cause and fix.
3. If a software update is available, have the dealer perform the PCM reflash. This resolves the issue in the majority of cases.
4. If software is confirmed to be up-to-date (or if the vehicle is not FWD), use a scan tool with live data capability to monitor the voltage from Fuel Level Sensor 'B'. A reading consistently near zero volts points towards a circuit low issue.
5. Gain access to the fuel tank electrical connector under the rear seat. Inspect it for corrosion, moisture, or damaged pins.
6. Disconnect the sensor and test the signal circuit in the harness for a short to ground using a digital multimeter.
7. If the wiring and connector are in good condition, the fault lies with the fuel level sending unit inside the tank.
8. Replacement of the auxiliary sending unit is required, which typically involves removing the lock ring on the top of the fuel tank.

Parts You'll Likely Need

• Fuel Level Control Unit (Sensor B) (OEM #68217193AC) — If the cause is not software-related on an AWD model, the sensor itself is the next most likely component to fail. It is sold as a separate unit from the main fuel pump.
  Trusted brands: Mopar, Delphi, Spectra Premium
  OEM price range: $160-$260
  Aftermarket price range: $50-$100

Related Codes That Often Appear With This One

• P0441 — Mentioned in the same TSBs, suggesting it can also be triggered by the same PCM software glitch.
• P0116 — Also listed alongside P2067 in several TSBs as a code that can be resolved with a software update.
• P2068 — This code is for 'Fuel Level Sensor B Circuit High', the opposite of P2067. Seeing them together could point to an erratic sensor or a wiring problem causing fluctuating voltage.

Technical Service Bulletins (TSBs) & Recalls

• 18-085-17: Notes P2067 - Fuel Level Sensor 2 Circuit Low (International Only) as a code addressed by a PCM software update.
• 18-060-14 REV. C: Mentions P2067- Fuel Level Sensor 2 Circuit Low (International Only) as being fixed by a TCM software enhancement for 3.2L engines.
• 18-035-16 REV.A: Lists P2067 - FUEL LEVEL SENSOR 2 CIRCUIT LOW (INTERNATIONAL ONLY) as a code fixed by a software update.
• 18-007-15 REV C: Includes P2067 - Fuel Level Sensor 2 Circuit Low (International Only) in a list of codes addressed by a PCM software update.
• 18-007-15 REVB: Also lists P2067- Fuel Level Sensor 2 Circuit Low (International Only) as being resolved by a software update.

Platform-Specific Known Issues

• Multiple Technical Service Bulletins (TSBs) were issued by Jeep for the 2014-2015 Cherokee, indicating that code P2067 can be triggered incorrectly due to software glitches in the Powertrain Control Module (PCM).
• The TSBs specifically note the code as being for 'International Only', reinforcing the high probability that it is a false code when it appears on a domestic (US) model, particularly a Front-Wheel Drive version.
• The fix prescribed by Jeep in these bulletins is a software update, not a hardware replacement.