Technical OBD Trouble Codes.

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Technical OBD Trouble Codes.

HL99

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Feb 9, 2018
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Stockton-on-Tees
Can someone explain these please?
OBD Codes:

P0500: vehicle sensor

P0136: Lambda 1 status below catal.

P0141: Lambda 1 heater below catal.

U1602: CAN line error

U1601: CAN line error, BUS off

B1003: Transponder or secret key not incorrect or absent, signal not valid

5012: Vehicle speed (from CAN)

5013: Alternator status (from CAN)
 
B1003,signal from key not correct.Does the car start or is the padlock sign showing on the dash when ignition first turned on and car won't start???
 
Do you have any current problems, they could just be old stored codes that just need to be cleared.



They’re all still there. I’ve cleared them
About 3 times and they all come back at once.
Only thing I don’t get is that half of the manifold has came off as well as my rear lambda sensor and that hasn’t come up ??*♂️
 
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