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2022 CADILLAC XT5
3.6L V6•FWD•AUTOMATIC•gas
3 active safety recalls on this vehicle — view recalls
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Repairs0Labor474Torque3273Fluid7DTC2012Battery1Maintenance0Recalls3
P0862high severityPowertrain

Gear Shift Module Communication Circuit High

on 2022 Cadillac XT5 3.6L V6 · FWD

What this code means

The signal voltage on the gear shift module communication circuit is higher than expected. This usually indicates a short to voltage or an open circuit.

Symptoms

  • Incorrect gear position readout
  • Transmission may not shift properly
  • Warning light illuminated

Common causes

  • Short to voltage in communication wiring
  • Open circuit in wiring or connector
  • Faulty gear shift module
  • Failed transmission control module

Diagnostic steps

  1. Scan for stored and related codes
  2. Inspect wiring for shorts to power or opens
  3. Measure circuit voltage against specification
  4. Repair wiring or replace gear shift module if defective
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