NOTE: If codes 168-xx or 723-xx active, fix those first. PROBABLE CAUSES:1. Inspect front fuel injector harness 14-pin connector.2. Front...

NOTE: If codes 168-xx or 723-xx active, fix those first. PROBABLE CAUSES:1. Inspect front fuel injector harness 14-pin connector.2. Front...

NOTE: If codes 168-xx or 723-xx active, fix those first. PROBABLE CAUSES:1. Inspect front fuel injector harness 14-pin connector.2. Front...

NOTE: If codes 168-xx or 723-xx active, fix those first. PROBABLE CAUSES:1. Inspect front fuel injector harness 14-pin connector.2. Front...

NOTE: If codes 168-xx or 723-xx active, fix those first. PROBABLE CAUSES:1. Inspect front fuel injector harness 14-pin connector.2. Front...

POSSIBLE CAUSES:This diagnostic is typically one of the following:1. Diesel particulate filter regeneration inhibit switch message contains signal not valid...