LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 100 (6.7L Diesel - DTCS - P21C4 To U1601 - 3500 Cab & Chassis) >> Diagnosis and Testing >> P220A-NOx SENSOR SUPPLY CIRCUIT PERFORMANCE - BANK 1 SENSOR 1 >> Code Description >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(F505) FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN/HIGH RESISTANCE
(F505) FUSED IGNITION SWITCH OUTPUT CIRCUIT SHORTED TO GROUND
(Z915) GROUND CIRCUIT OPEN/HIGH RESISTANCE
(F505) FUSED IGNITION SWITCH OUTPUT SHORTED TO THE (Z915) GROUND CIRCUIT
FAULTY NOx SENSOR 1/1

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE - 6.7L  .