FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

P0246



P0246 00

Charge Air Control Valve Circuit. Short to B+.







Fault symptom
CHECK Engine
Limp home
Any noise upon release of accelerator.

On-board diagnosis

Type of diagnosis:
Continuous

Enable criteria:
Engine running.

Fault criteria:
When voltage on the output exceeds 2.0 V for more than 1 s.

Dependent:
None

System reaction to a fault:
Torque limited to max. 170 Nm.

OK report:
When the fault criterion is NOT fulfilled for 2 s and the PWM signal on the output exceeds 3%.

Fault handling:
Type III
(See Description of On-Board Diagnostics/Fault handling III, "Other emission-related components and functions" for more information.)

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:
Activation:
- Charge Air Control Valve