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Old 03-01-2008   #1
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Fault Codes

i put a code reader on my punto and its showing the codes 1600 and 1602 does anyone know what these code are ? or how i can find out ? thanks
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Old 03-01-2008   #2
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Re: Fault Codes

P1600 - Immobilizer system malfunction Probable cause:-

Incorrect / damaged key, incorrectly programmed, wiring, poor connection, immobilizer read coil.


U1602 - CAN Data Bus - communication error probable cause:-

Wiring, poor connection.

I'd say the 1600 was brought on by 1602.
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Old 03-01-2008   #3
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Re: Fault Codes

thanks mate
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Old 06-01-2008   #4
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Re: Fault Codes

code 1601 any idea anyone ?
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Old 06-01-2008   #5
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Re: Fault Codes

U1601 - CAN Data Bus - communication error probable cause:-

Wiring, poor connection.


Same as 1602.
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Old 14-05-2008   #6
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Re: Fault Codes

I have a similar problem with a friend's Punto 1.2 Auto. The eml is coming on while the car is driven and one of the 2 codes in the system is 1602. My friend has told me that the ECU near the top of the engine has recently been replaced with a new unit. Would this have anything to do with the light coming on? Does anyone know if the ECU needs to be coded to the car?
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Old 05-03-2010   #7
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Re: Fault Codes - p001c

Hi does anyone know what this fault code means... its on a Punto 1997 convertible!!

Thanks

Belinda
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Old 03-10-2010   #8
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Re: Fault Codes

Quote Originally Posted by ChrisUK View Post
P1600 - Immobilizer system malfunction Probable cause:-

Incorrect / damaged key, incorrectly programmed, wiring, poor connection, immobilizer read coil.


U1602 - CAN Data Bus - communication error probable cause:-

Wiring, poor connection.

I'd say the 1600 was brought on by 1602.
I've got a P0234 on a GP 1.3 diesel, where is the wastegate? And is it fixable?
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