Chevrolet / GM Lyriq

The Cadillac Lyriq is a luxury electric SUV built on the Ultium platform with a 102 kWh battery and up to 314 miles of range.

2023–present · SUV · US, Global

Fault Code List

Showing 29 fault codes

B1A1F Warning

Wireless Communication Module Short Circuit to Ground

Network
P0530 Warning

Engine Oil Pressure Sensor/Switch Circuit High Voltage

Powertrain
P0A80 Warning

Replace Hybrid Battery Pack

Battery
P0A89 Warning

14 Volt Power Module Current Sensor Circuit High

Motor
P0AA6 Critical

Hybrid Battery Voltage System Isolation Fault

Battery
P0ABF Warning

Hybrid Battery Pack Current Sensor "A" Circuit

Battery
P0AC4 Warning

Hybrid Powertrain Control Module Requested MIL Illumination

Motor
P0BBD Critical

Hybrid Battery Pack Voltage Variation Exceeded Limit

Battery
P0BC0 Critical

High Voltage Battery Isolation Fault (Ground Fault)

Battery
P0BD0 Critical

HV Battery Over Temperature (Charge)

Battery
P0C78 Warning

Hybrid/EV Battery System Precharge Time Too Long

Battery
P0CCD Critical

High Voltage Battery Pack Cell Voltage Imbalance

Battery
P0DE9 Warning

Coolant Valve Circuit Malfunction (Thermal Management)

HVAC
P1C26 Warning

High Voltage Battery Thermal Management System Fault

HVAC
P1E00 Warning

Malfunction Indicator Lamp (MIL) Request from HPCM2 (High Voltage Battery)

Battery
P1E08 Warning

Propulsion Power Management System Fault

Battery
U0131 Caution

Lost Communication with Power Steering Control Module

Network
U0230 Caution

Lost Communication with Rear Door Control Module (EV-related wiring)

Network
U0499 Warning

Invalid Data Received from Charging Station

Charging
U05CF Warning

Lost Communication with High Voltage Battery Control Module (variant)

Network
U11FD Warning

Invalid Data Received from Battery Energy Control Module

Battery
U1602 Caution

Lost Communication with Body Control Module

Network
U1603 Caution

Lost Communication with Instrument Panel Cluster

Network
U1609 Caution

Lost Communication with HVAC Control Module

Network
U164E Warning

Lost Communication with Charging System Control Module

Charging
U1962 Warning

Lost Communication with Level 2 Charging Module

Charging
U197A Warning

Lost Communication with Propulsion Power Management Module

Battery
U2B8F Warning

Charging System Communication Fault

Charging
U3628 Warning

Control Module Variant Configuration Error (BEV Platform)

Battery