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TIPS & HINTS
Example Code : 31
The PATS system has it’s own self diagnosis test procedure which flashes
codes. The PATS LED will flash quickly for 1 minute, and then start flash-
ing the fault code as follows:-
A = 3 Flashes B = 1 Flash C = Three seconds delay
D = Repeat of code for 10 times
Code 11 Transceiver not connected
Code 12 Transceiver
Code 13 No key data received
Code 14 Part of the transponder code received
Code 15 Wrong transponder key
Code 21 Less than the minimum keys required programmed
Code 22 Failed diesel pump control unit identification
Code 23 The response code between pump control unit & powertrain
Code 31 DSM Communication
Code 32 DSM Communication
Code 34 DSM Communication
LED = Always ON or OFF
Check the fuse 15 (5 amp)
NOTE : If there are no fault codes, DO NOT clear fault codes as this
can cause fault 1000 to be enabled.
Ford Escort, no communication with TESTER, switched Ignition OFF
and ON very quickly, and communication gained. Conclusion was bad
connection on ignition switch.
DO NOT
insert a blue chip transponder key into a red key
system.
A
B
C
D
9