Obd Error Messages - Bosch BEA 150 Repair Instructions

5.5.2 OBD error messages

Error message
Timeout: The OBD module did not
react within the waiting time.
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i If any other error messages appear, perform trouble-shooting as described in the Repair Instructions.
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Possible cause
B+ and B- cables not connected.
Interconnecting cable from control
module PCB to OBD PCB not connected
or faulty.
Interface on control module PCB faulty
Faulty OBD PCB
B+ and B- cables not connected.
Faulty OBD PCB.
Remedy
Connect B+ and B- cables.
Test interconnecting cable and
ensure that it is securely
fastened, replace if necessary.
Test interface according to repair
instructions, Sec. 4.4.4, replace
control module PCB.
Perform self-diagnosis as per
Section 3.1.
Connect B+ and B- cables.
Perform self-diagnosis as per
Section 3.1.