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Home >> Cadillac >> 1999 >> Seville STS >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Suspension - Electronic CV Road-Sensing >> Diagnosis & Testing >> Self-Diagnostics >> Diagnostic Code Display

Diagnostic Code Display

  1. System will begin displaying codes (if any are stored). See CODE DESCRIPTION  table. The first character of code is a letter that indicates which system code applies to.
  2. The fifth character of code is the letter "C" or "H". "C" stands for current code. Current means the fault currently exists (like a hard code), and fault was present the last time the diagnostic test was run. "H" stands for history code. History means fault does not currently exist, but existed before (like an intermittent code), and was not present the last time the diagnostic test was run.
  3. If no codes are present for road-sensing suspension system, a NO RSS CODES message will be displayed. If the communication line for road-sensing suspension system is not operating, a NO RSS DATA message will be displayed, indicating that the IPC could not communicate with system.
CODE DESCRIPTION

Code Description
C1326 Battery Out of Range Fault
C1650  CVRSS Control Module Fault
C1658  CVRSS Control Module Calibration Fault
C1710  Left Front Damper Actuator Short Circuit To Battery/Short Across Load
C1711  Left Front Damper Actuator Short Circuit To Ground
C1712  Left Front Damper Actuator Open Circuit
C1715  Right Front Damper Actuator Short Circuit To Battery/Short Across Load
C1716  Right Front Damper Actuator Short Circuit To Ground
C1717  Right Front Damper Actuator Open Circuit
C1720  Left Rear Damper Actuator Short Circuit To Battery/Short Across Load
C1721  Left Rear Damper Actuator Short Circuit To Ground
C1722  Left Rear Damper Actuator Open Circuit
C1725  Right Rear Damper Actuator Short Circuit To Battery/Short Across Load
C1726  Right Rear Damper Actuator Short Circuit To Ground
C1727  Right Rear Damper Actuator Open Circuit
C1735  ELC Compressor Relay Short Circuit To Battery/Short Across Load
C1736  ELC Compressor Relay Short To Ground Or Open Circuit
C1737  ELC Exhaust Solenoid Valve Short To Battery/Short Across Load
C1738  ELC Exhaust Solenoid Valve Short To Ground Or Open Circuit
C1743  Speed Signal Fault
C1744  Lift/Dive Signal Fault
C1760  Left Front Position Sensor Input Fault
C1761  Right Front Position Sensor Input Fault
C1762  Left Rear Position Sensor Input Fault
C1763  Right Rear Position Sensor Input Fault
C1768  Position Sensor Supply Fault
C1780  Steering Sensor Input Fault
C1782  ICCS2 Datalink Left Output Short Circuit To Battery
C1783  ICCS2 Datalink Left Output Short Circuit To Ground/Open Circuit
C1784  ICCS2 Datalink Right Output Short Circuit To Battery
C1785  ICCS2 Datalink Right Output Short Circuit To Ground/Open Circuit
C1786  RTD BODY Relay Fault
C1787  RTD BODY Relay Short To Ground/Open Circuit
C1788  RTD BODY Relay Short To Battery/Short Across Load
Fig 1: Identifying CVRSS Control Module Connector C2 (Brown, 24-Pin) Terminals (Wire Side Of Harness Connector Shown)
G97H03907Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying CVRSS Control Module Connector C1 (Brown, 32-Pin) Terminals (Wire Side Of Harness Connector Shown)
G97J03908Courtesy of GENERAL MOTORS CORP.