45-24Fault code 4276 · Valve relay

911 Turbo (996) PSM 05 45 45-24Fault code 4276 Valve relay Diagnostic conditions • Actual values of solenoid valves are evaluated and display implausible values • Valve relay does not pick up, drops out or sticks • Short circuit to ground or open circuit in circuit to control mod- ule terminal 6 Possible cause of fault ♦Fuse E9 faulty ♦Wire/ plug connection faulty ♦PSM hydraulic unit faulty Affected terminals Terminal 6 Diagnosis/troubleshooting Work instruction Display OK If not OK 1 Check supply voltage of ♦Switch off ignition > 11 V the valve relay ⇒ Step 2 Check following ♦Pull plug off the PSM control components: module ♦Measure voltage between PSM ♦Fuse E9 control module plug pin 6 and ♦Fuse F7 ground → End 2 Replace hydraulic unit → End 4503 Fault code 4276 45-24 page 1 Printed in Germany – 4, 2001 4276ps05