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john -aka eauto
john -aka eauto, The Car Guy
Category: Lexus
Satisfied Customers: 15383
Experience:  15 years as a auto tech Ase Certified
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What does vsc mean on my dash? 130k but it has been slipping

Customer Question

What does vsc mean on my dash?
JA: How many miles are on the car? How has the car been handling lately?
Customer: 130k but it has been slipping trying to get up to speed. Like I'm low on trans fluid?
JA: What is the model/year of your Lexus?
Customer: 07 es 350
JA: What year is your ES 350?
Customer: 07
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: If I can but nothing I don't know what the code on the dash means. My friend should have the car here in a minute. Its her car
JA: Anything else you think the mechanic should know?
Customer: That's it as soon as she gets here I can tell you exactly what the code on the dash is.
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Lexus Mechanic about your situation and then connect you two.
Submitted: 7 months ago.
Category: Lexus
Expert:  john -aka eauto replied 7 months ago.

have you scanned for codes?

Customer: replied 7 months ago.
How do I do that
Customer: replied 7 months ago.
Does this car have a sealed transmission and do you need the vin#?
Customer: replied 7 months ago.
Hellio
Expert:  john -aka eauto replied 7 months ago.

sorry had a storm and my internet was interrupted...do you have a code reader/scan tool

Customer: replied 7 months ago.
Hang on
Expert:  john -aka eauto replied 7 months ago.

ok

Customer: replied 7 months ago.
Codes are B1826, C1201, P0746, P0796, P2714,
Expert:  john -aka eauto replied 7 months ago.

give me a few

Expert:  john -aka eauto replied 7 months ago.

b1826 is a seat belt issue...

c1201 is shutting off the vsc system due to engine codes

po746 is a shift solenoid or valve body issue

DTC P0796 Pressure Control Solenoid "C" Performance (Shift Solenoid Valve SL3)

SYSTEM DESCRIPTION
The TCM uses the vehicle speed signal to determine the actual gear position (1st, 2nd, 3rd, 4th, 5th or 6th gear).
Then the TCM compares the actual gear with the shift schedule in the TCM memory to detect shift solenoid valves and valve body mechanical problems.
DTC P2714 Pressure Control Solenoid "D" Performance (Shift Solenoid Valve SLT)

SYSTEM DESCRIPTION
The linear solenoid valve (SLT) controls the transmission line pressure for smooth transmission operation based on signals from the throttle position sensor and the vehicle speed sensor. The TCM adjusts the duty ratio (*) of the SLT solenoid valve to control hydraulic line pressure coming from the primary regulator valve. Appropriate line pressure assures smooth shifting with varying engine outputs.
(*): Duty Ratio
The duty ratio is the ratio of the period of continuity in one cycle. For example, if A is the period of continuity in one cycle, and B is the period of non-continuity, then
Duty Ratio = A/(A + B) x 100 (%)

Customer: replied 7 months ago.
What does that mean and how do I correct it?
Expert:  john -aka eauto replied 7 months ago.

usually shift solenoids and a valve body replacement.. so basically the transmisson needs to be opened up to repair

Customer: replied 7 months ago.
Thank you
Expert:  john -aka eauto replied 7 months ago.

hope you can rate my service 5 star