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Example: P0120
B1685 Gmc Savana engine code seems a kind of body problem, we try to show one by one the meaning and the solution.
Brief explanation of the B1685 Gmc Savana code and definition of B1685 Gmc Savana is the bottom side.
| b |
Body Code Problem is antilock brake system, electronic suspension and steering systems. |
| 1 | MFG - Manufacturer Specific |
| 6 | Vehicle Speed Control And Idle Control System |
| 8 | Exhaust Gas Recirculation System Valve 1 |
| 5 | Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit |
MFG - Manufacturer Specific codes, which have a '1' as their second digit to indicate they are unique to a particular vehicle make or model. These special codes were deemed necessary by the vehicle manufacturers so they could provide additional diagnostic information beyond the basic list of generic OBD II codes for all kinds of faults, not just emissions-related faults.
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How To Fix B1685 Gmc Savana ?
The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate. |
The engine system, in conjuction with the engine control module (ECM)/powertrain control module (PCM), activates the B1685 code solenoid valve to control oil pressure to the engine mechanism that is installed in the valve system to switch valve timing between Low and High.If the engine solenoid valve has an open or short circuit, a DTC is stored. When you see B1685 Gmc Savana engine fault code on your engine code reader this description will help you.
| B Codes | List of all Body codes. |
Final Step: In the definitions listed below, there is a test drive recommended after you've completed any repairs to see if the condition is fixed. Before you take a test drive after a repair, always erase the B Code(s) first. This will turn the check engine light off and then you will know if the check engine light returns, you've got further diagnostics to complete.
BE CAREFUL !
This engine code information is presented for information purposes only. This is not intended as repair advice and we are not responsible for any actions you take on any vehicle.
