U0646 Saab Auto Trouble Code
U0646 Saab the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.
Accelerator Pedal Position Sensor 1 Circuit Low and P2127 - Accelerator Pedal Position Sensor 2 Circuit Low would lead you to suspect a defective accelerator pedal position sensor.
U0646 Saab Possible Solution:
Brake Switch Out of Self-Test Range Indicates that during Key On Engine Off (KOEO) Self-Test, BPP signal was high. Or during Key On Engine Running (KOER) Self -Test, the BPP signal did not cycle high and low. Open or short in (BPP) circuit Open or short in stoplamp circuits Damaged PCM Malfunction in module(s) connected to BPP circuit (Rear Electronic Module [REM] Windstar and LS6/LS8 and Lighting Control Module (LCM) Continental and Town Car) Damaged Brake Switch Misadjusted Brake Switch Check for proper function of stoplamps. Follow correct Self-Test procedures, refer to Section 2, Quick Test.
U0646 Saab Description For All Models :
- Saab 750
- Saab 9.3
- Saab 9.3 Ii
- Saab 9.5
- Saab 9.5 Ii
- Saab 90
- Saab 900
- Saab 9000
- Saab 9000i
- Saab 900i
- Saab 92
- Saab 9-2
- Saab 9-2x
- Saab 93
- Saab 9-3
- Saab 95
- Saab 9-5
- Saab 96
- Saab 9-7
- Saab 9-7x
- Saab 99
- Saab 9-x
- Saab Aero-x
- Saab Gt
- Saab Mc
- Saab Sonett
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U0646 Saab Trouble Repair :
U0646 Saab code shows that location the body harness connector, located in and around the left hand kick panel area or inside the IP (consult a shop manual for location). Water can leak into the connector from clogged sunroof drains, A-pillar leaks, or windshield or cowling leaks. |
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