P2E13 code meaning
Gear Selection Actuator Position Sensor Circuit High
Powertrain system Generic code P2Exx codes Check engine light
What P2E13 means
P2E13 is the opposite case to P2E12: the position signal of the gear selection actuator sits above its highest plausible value. A short between the signal line and a supply wire is the classic cause; an open ground or, on pull-up inputs, a broken signal wire produce the same picture. No manufacturer documents P2E13 publicly. GM's 2023 TCM tables for a dual-clutch gearbox treat the high fault of a rod position sensor (P2834) as missing pulses with the pin above 3500 mV, or a duty cycle above 92 %, judged for 150 ms and only with valid sensor supply and battery voltage, Type A. CARB requires such out-of-range tests on transmission sensors. Measuring the line with the sensor unplugged separates a harness short from a sensor defect. The gearbox then normally stops shifting or keeps a fixed gear.
P2E13 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyHard
- Typical labor0.5 to 4 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P2E13
- MIL and transmission warning
- Gearbox stays in one gear or in neutral
- Shift lever input ignored
Common causes of P2E13
- Most likelySignal wire shorted to a supply or 5 V reference line
- PossibleSensor ground open or high resistance
- PossiblePosition sensor faulty, output stuck high
- Less likelyMoisture in the actuator connector bridging pins
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Gear selection actuator position sensorWiring harnessTCM
What each part of P2E13 means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 2 | Generic code (second SAE range): it means the same on every make. |
| 13 | The exact fault in that area. |
What to do next
- Note P2E13 and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about P2E13
What does P2E13 mean?
P2E13 means "Gear Selection Actuator Position Sensor Circuit High". P2E13 is the opposite case to P2E12: the position signal of the gear selection actuator sits above its highest plausible value. It is a generic code, so it means the same on every make.
Is it safe to drive with P2E13?
Drive gently and only to a workshop. With P2E13 the car can go into limp mode (reduced power) to protect itself.
Will P2E13 fail an emissions test?
Yes, it can. P2E13 is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.
How hard is P2E13 to fix?
Difficulty: hard. A typical repair takes 0.5 to 4 hours of work. This is a job for a workshop.
Will P2E13 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.