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DTC codes / P2Exx · Hybrid propulsion / P2E00

P2E00Gear Lever Position Sensor A Circuit

P2E00 indicates that the powertrain control module has detected an implausible or missing signal from the gear lever position sensor A circuit, which is used to confirm the selected gear or range. The computer compares this signal against other inputs such as vehicle speed, engine load, and the transmission range sensor to determine that the circuit is not reporting a valid position.

SystemPowertrain
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyIntermediate
AreaHybrid propulsion

Symptoms you may notice

  • The check engine light or transmission warning light illuminates on the dashboard.
  • The vehicle may start in the wrong gear or refuse to start unless the shifter is wiggled or moved to a different position.
  • Harsh or delayed shifting, or the transmission may default to a limp-home mode with limited gear selection.
  • The gear indicator on the instrument cluster may flash, show the wrong range, or remain blank.
  • Often no symptoms besides the warning light, especially if the fault is intermittent and the sensor still reports correctly under most conditions.

Common causes, most likely first

  1. A faulty gear lever position sensor (also called a transmission range sensor or neutral safety switch) that has worn internal contacts or failed electronics.
  2. Damaged, corroded, or loose wiring and connectors between the sensor and the transmission control module or powertrain control module.
  3. A misadjusted sensor or shifter linkage that prevents the sensor from aligning with the actual gear lever position.
  4. Water intrusion or contamination inside the sensor connector or the sensor housing, leading to intermittent signals.
  5. A failed or failing transmission control module or powertrain control module that cannot process the sensor signal correctly.
  6. Mechanical wear in the shifter assembly or cable that causes the lever position to not match the sensor's expected range.

How to diagnose and fix it

  1. Connect a scan tool and read all stored codes and freeze-frame data to confirm P2E00 is the primary fault and not a secondary code from another system.
  2. Visually inspect the gear lever position sensor, its connector, and the wiring harness for corrosion, chafing, or loose pins, and repair any obvious damage.
  3. Check the sensor's mounting and adjustment according to the manufacturer's procedure, and realign or replace the sensor if it is out of specification.
  4. Back-probe the sensor connector and measure resistance or voltage across the signal circuit while moving the gear lever through all positions to verify a smooth, consistent change.
  5. If the sensor signal is erratic or absent, replace the gear lever position sensor with a quality part and clear the codes to see if the fault returns.
  6. Check for technical service bulletins or software updates for the transmission control module that may address false P2E00 setting.
  7. After repairs, perform a road test through all gears and recheck for pending or stored codes to confirm the fix.

What the gear lever sensor code hides

  • A loose or corroded ground connection at the transmission or chassis can cause the gear lever position sensor to report erratic values, setting P2E00 even when the sensor itself is good.
  • On many vehicles, the gear lever position sensor is integrated into the transmission range sensor, and a failing sensor can also cause no-crank or reverse-light problems that the driver notices before the code sets.
  • P2E00 can be set by a low or weak battery during cranking, which drops voltage to the sensor and causes a momentary implausible signal that is stored without any driveability complaint.
  • Aftermarket remote start or alarm systems that tap into the neutral safety switch wiring can introduce resistance or interference that mimics a failed sensor.
  • A shifter cable that is stretched or misrouted can put the sensor at the edge of its adjustment range, so the code may only set in certain gears or after the vehicle has been driven a while.

Can I keep driving with P2E00?

You can usually drive the vehicle to a repair shop if the transmission still engages gears normally and the warning light is the only symptom, but avoid aggressive acceleration or towing until the fault is repaired. If the transmission is in limp-home mode, shifts harshly, or refuses to engage certain gears, stop driving and have the vehicle towed to prevent further damage.

Tools that help

Tools we recommend are in the Auto Veteran shop on Amazon. As an Amazon Associate we earn from qualifying purchases.

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

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