LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2007 >> HHR LS, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 28 (Anti-Lock Brake System, Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> Diagnostic Code Index
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Code Index

WARNING: This page is about a different car, the 2007 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX

DTC Description
DTC C0035-C0050  DTC C0035 LF Wheel Speed Sensor Circuit
DTC C0040 RF Wheel Speed Sensor Circuit
DTC C0045 LR Wheel Speed Sensor Circuit
DTC C0050 RR Wheel Speed Sensor Circuit
DTC C0110  Pump Motor Circuit
DTC C0121  Valve Relay Circuit
DTC C0136  Base Brake System Pressure Circuit
DTC C0137  Base Brake System Pressure Circuit Range
DTC C0161  ABS/TCS Brake Switch Circuit
DTC C0179  System Thermal High
DTC C0186  Lateral Accelerometer Circuit
DTC C0196  Yaw Rate Circuit
DTC C0220-C0229  DTC C0220 Left Front ABS Channel in Release Too Long
DTC C0221 Right Front ABS Channel in Release Too Long
DTC C0228 Left Rear ABS Channel in Release Too Long
DTC C0229 Right Rear ABS Channel in Release Too Long
DTC C0240  Powertrain Control Module (PCM) Traction Control Not Allowed
DTC C0242  Powertrain Control Module (PCM) Indicated TCS Malfunction
DTC C0249 or C0250  DTC C0249 Left Normal Force Error
DTC CO250 Right Normal Force Error
DTC C0252  Vehicle Stability Enhancement System (VSES) Sensors Uncorrelated
DTC C0253  Centering Error
DTC C0281  Dynamic Rear Proportioning (DRP) Performance
DTC C0550  Electronic Control Unit (ECU) Performance
DTC C0551  Option Configuration Error
DTC C0561  System Disabled Information Stored
DTC C0565  Vehicle Identification Number (VIN) Information Error
DTC C0710  Steering Position Signal
DTC C0820  EBCM Case Voltage
DTC C0870  Device Voltage Reference Output {single or 1} Circuit
DTC C0899  Device {single or 1} Voltage Low
DTC C0900  Device {single or 1} Voltage High