Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC B1837: Driving Position Memory Recall Timeout
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0), and then back to ON (II).
- Use the front up-down switch to raise the front of the seat as high as it will go.
- Use the rear up-down switch to raise the rear of the seat as high as it will go.
- Use the slide switch to move the seat to the rear as far as it will go.
- Use the recline switch to move the seat-back forward as far as it will go.
- Memorize this seat position with the memory switches.
- Use the seat switches to move the seat to its opposite limits (front and rear all the way down, seat fully forward, and seat-back fully reclined).
- Recall the seat position with the driving position memory switch.
- Wait for 3 minutes.
- Check for DTCs with the HDS.
Are any DTCs indicated?
YES - Go to step 12.
NO - Intermittent failure. The driving position memory system is OK at this time. Check for loose or poor connections at the each DPMS connectors.
- Check for DTCs with the HDS.
Are any DTCs except B1837 indicated?
YES - Go to the indicated DTC's troubleshooting.
NO - Go to step 13.
- Clear the DTCs with the HDS and wait for 6 seconds.
- Move the power seat (slide forward/backward, recline forward/backward, front up-down, rear up-down) motors one at a time, and check the operation time.
Does any motor fail to run smoothly?
YES - Go to the POWER SEAT MOTOR TEST . If the motor is OK, check the engagement of the motor gear.
NO - Go to the POWER SEAT CONTROL UNIT INPUT TEST .
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.