P3999 Skoda Auto Trouble Code
P3999 Skoda 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.
Remove the air filter box assembly so you can access the transmission range switch. Turn the key to the ON position, but do not start the vehicle. Move the shifter to the neutral position. Align the alignment holes between the switch and the shift lever. Insert a 5mm drill bit into the adjustment hole to verify the proper alignment for the neutral position.
P3999 Skoda 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.
P3999 Skoda Description For All Models :
- Skoda 1000
- Skoda 105
- Skoda 110
- Skoda 1100
- Skoda 120
- Skoda 1200
- Skoda 1201
- Skoda 1202
- Skoda 420
- Skoda 430
- Skoda 440
- Skoda 445
- Skoda 450
- Skoda Citigo
- Skoda Fabia
- Skoda Favorit
- Skoda Felicia
- Skoda Kamiq
- Skoda Karoq
- Skoda L
- Skoda Montreux
- Skoda Octavia
- Skoda Octavia I
- Skoda Octavia Ii
- Skoda Octavia Iii
- Skoda Polular
- Skoda Popular
- Skoda Praktik
- Skoda Rapid
- Skoda Roomster
- Skoda S
- Skoda Scala
- Skoda Superb
- Skoda Superb I
- Skoda Superb Ii
- Skoda Superb Iii
- Skoda Winnetou
- Skoda Yeti
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P3999 Skoda Trouble Repair :
The rule of P3999 Skoda code when it comes to emissions-related vehicle repair is that any modification that changes the vehicle from a certified configuration to a non-certified configuration is considered tampering: this applies to both vehicle owners and repair facilities and is, therefore, a Federal offense. Replacing a catalyst with a straight pipe is one traditional example. Likewise, overriding the OBD 2 system through the use of high-tech defeat devices or non-certified computer chips, for example, would also be considered tampering. The OBD system may, however, be repaired back to its original certified configuration with certified performance chips or appropriate aftermarket parts. |
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