Powertrain, generic (extended)

P2E19 Intermediate Shaft Selection Actuator Position Sensor Circuit Intermittent/Erratic

Check engine lightOn
EmissionsRelevant
Drive cycleRequired
Limp modePossible

P2E19 is stored when the intermediate shaft selection actuator's position sensor delivers a signal that flickers, drops out briefly or changes faster than the mechanism could physically move. Because the fault comes and goes, the code often shows as pending or with only a few occurrences. No manufacturer documents P2E19 publicly. As an example of what counts as erratic for a digital rod sensor, GM's dual-clutch tables (2023) name a carrier frequency outside 1500 to 2500 Hz for 150 ms (P2835). In Ford's DPS6 an out-of-order Hall pattern from a shift drum motor sets P2835 as well. Wiggle-testing the harness at the gearbox while watching live data is the usual way to find the spot. Steady electrical faults of the same sensor are P2E17 and P2E18.

Likely causes

Loose or corroded terminal at the actuator or gearbox connector
Harness rubbing on the housing, contact only under vibration
Electrical noise from damaged shielding
Sensor with an internal intermittent fault

Symptoms

  • Sporadic shift faults that disappear again
  • Warning lamp only now and then
  • Short limp-mode episodes

Repair estimate

DifficultyHardWorkshop job
Parts and labour€80–1,500
Time1–5 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

intermediate shaft selection actuator position sensorwiring harnesstcm

Related codes

References: gsi.ext.gm.com, newtonnet.co.uk, law.cornell.edu.