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P0021 Diagnostic Trouble Code Discussion for October 2007

Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2)

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Trouble Ticket Help Requests for DTC P0021
Help Request Posted
2005 Dodge Ram 3500 SLT 5.9L MIL Lamp on VIN: 3D7LS38C75
P0021: ambient air temp sensor performance. ... r3500 diesel with p0021 (ambient air temp sensor performance) code present-no info from modis or shop key (mitchell) pulled truck into bay and pulled codes- iat sensor reads 50 degrees-aat reads 48 degrees,(shop temp right now approx 50 or so degrees) no t...
October 25, 2007