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Jay
Jay, Certified Infiniti Technician
Category: Infiniti
Satisfied Customers: 3437
Experience:  20+years, Nissan and Infiniti experience and currently now working for a Infiniti Dealer
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2013 Q56 P0021 timing code, P0021, what does that code mean,

Customer Question

2013 Q56 P0021 timing code
JA: Just to clarify, what's the exact code? And have you tried to reset it?
Customer: P0021, what does that code mean
JA: What is the model of your '13 Infiniti?
Customer: 2013 Q56
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: No at the Dealer, they did a recall to replace timing chains. car went 200 miles then developed a radiator hose leak and this code P0021.
JA: Anything else you want the mechanic to know before I connect you?
Customer: I just hope they fix it correctly, as they have already replaced the alternator. Infiniti Case # *****
Submitted: 1 month ago.
Category: Infiniti
Expert:  Jared D replied 1 month ago.

Good morning,

The p0021 code is a timing related trouble code. Sometimes it indicates a problem with the timing chains, sometimes the timing chain tensioners, and sometimes the actuator that controls the timing chains. If the dealer replaced the timing chains and then this code came on I would say it's probably related to the work they did. They may not have gotten it installed correctly.

I can send over the fault tree for the p0021 trouble code if that would help.

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