TCM E39 / P2721 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Message appears in display.
Solenoid SLC3 Circuit, Short to B+
Fault symptom
Message appears in display.
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Battery voltage must be between 10.2 - 15.5 V. |
| Engine speed over 400 rpm. |
| Selector lever in position D. |
| DTC P2720 must not exist. |
Fault criteria:
| Power consumption has exceeded 1,358 A. |
| The fault criterion must be met for at least 100 ms 5 times. |
System reaction to a fault:
Checking the wiring harness
Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.
Diagnostic help
Diagnosis regards:
| Electrical fault in connecting leads or component. |
Functions in the diagnostic tool related to the fault:
| (See also description of readings/activations in diagnostic tool) |
