Cannot Select ON Mode With Keyless Access, But Can Select ON Mode With The Keyless Remote Touching The Engine Start/Stop Switch

Diagnostic procedure 

• Symptom troubleshooting - Refer to: Keyless Access System Symptom Troubleshooting - Cannot select ON mode with keyless access, but can select ON mode with the keyless remote touching the engine start/stop switch 

Also check for 

• Body control module
• LF antenna
• Keyless remote
• Low or weak keyless remote battery
• Harness/connections