The Mode Changes Between ACCESSORY And ON, But It Is Difficult To Change To OFF (LOCK)

Diagnostic procedure

• Check the body control module
• Check the gauge control module
• Check the park pin switch

Also check for

• Body control module
• Gauge control module
• PCM
• B-CAN communication line open/short
• F-CAN communication line open/short
• Speed signal line open
• TCM