Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE DEFINITIONS ⁽¹⁾

DTC

Description

Speedometer Signal Circuit Malfunction

Tachometer Signal Circuit Malfunction

DIC FUEL Switch Signal Short To Ground

DIC GAUGES Switch Signal Short To Ground

DIC TRIP Switch Signal Short To Ground

DIC OPTIONS Switch Signal Short To Ground

DIC E/M Switch Signal Short To Ground

DIC RESET Switch Signal Short To Ground

Oil Temperature Circuit Short To Ground

Oil Temperature Circuit Open

Left Fuel Level Sensor Circuit Performance

Left Fuel Level Sensor Circuit Low Voltage

Left Fuel Level Sensor Circuit High Voltage

Engine Oil Pressure Sensor Circuit Low Voltage

Engine Oil Pressure Sensor Circuit High Voltage

Vehicle Speed Output Circuit

Engine Speed Output Circuit

Right Fuel Level Sensor Circuit Performance

Right Fuel Level Sensor Circuit Low Voltage

Right Fuel Level Sensor Circuit High Voltage

U1000 & U1255 ⁽²⁾

Class 2 Communication Malfunction

U1001-U1254 ⁽²⁾

Loss Of Communication With XXX

U1300 ⁽²⁾

Serial Data Line Short To Ground

U1301 ⁽²⁾

Serial Data Line Short To Battery

UXXXX ⁽²⁾

Scan Tool Does Not Communicate With Class 2 Device

⁽¹⁾	Codes listed in this table are only for testing in this article. For complete list of DTCs, see BODY CONTROL MODULES - CORVETTE article.

⁽²⁾	See appropriate diagnosis and repair procedure under DIAGNOSTIC TESTS in BODY CONTROL MODULES - CORVETTE article.