DME 7.8 DME 7.8 0 · 0-195P1600

DME 7.8 DME 7.8 0 0-195P1600 216 CAN timeout PSM - open circuit Diagnosis conditions • Vehicle has PSM • Battery voltage greater than 10 V • Ignition on Possible fault cause ♦Wiring harness ♦PSM control module not connected ♦PSM control module faulty Note! ♦If all CAN bus faults are stored, there must be a short circuit in the CAN bus wiring. ♦If one CAN bus fault is stored, the cruise control system is out of order. ♦CAN bus faults may be caused by a control module reset. The fault is then indicated as "Not present". Affected terminals Terminal IV/36 and IV/37 Diagnosis/troubleshooting Work instruction Display OK If not OK 1 Check whether connector of PSM control module is plugged in. ⇒ Step 2 2 Check CAN bus from DME ♦Remove DME control module Repair wiring har- control module to PSM connector ness control module for conti- → End ♦Remove plug I from instrument nuity cluster ♦Remove PSM control module connector ♦Connect special tool 9637 to wiring harness (DME control module plug) P1600 0-195 page 1 Printed in Germany, 2000 p1600