DTC C1840-12 (47-01): Differential Fluid Pressure Sensor Circuit
High Voltage
(AWD)
DTC C1840-14 (47-02): Differential Fluid Pressure Sensor Circuit Low
Voltage
(AWD)
Keyless/Power Door Locks/Security System Symptom Troubleshooting - The Horn
Does Not Sound And/Or The Headlights Do Not Flash When The Panic Button On The
Remote Is Pressed
DTC B0052-11