FixVault

Keyless Entry Diagnostic System Check

To check keyless entry system operation, perform keyless entry diagnostic system check. See Fig 1 . If keyless entry system does not operate as specified, diagnose by symptom. Perform appropriate test. See SYSTEM TESTS  .

DIAGNOSTIC TROUBLE CODE INDEX

DTC Description
B2802  RFA Link Circuit Shorted to Ground
B2803  RFA Link Circuit (Shorted To Voltage)
B2805  RFA Programming/Diagnostic Mode Message Not Received
B2806  RFA Link Parity Error
Fig 1: Keyless Entry Diagnostic System Check
G00125785Courtesy of GENERAL MOTORS CORP.