Back to 2003 Lexus LS 430

2003 LEXUS LS 430

4.3L V8RWDAUTOMATICgas
Repairs0Labor591Torque5693Fluid7DTC734Battery0Maintenance0Recalls0
P0343high severityPowertrain

Camshaft Position Sensor A Circuit High Bank 1

on 2003 Lexus LS 430 4.3L V8 · RWD

What this code means

High signal from CMP sensor A Bank 1.

Symptoms

  • Check Engine Light
  • Hard starting

Common causes

  • Short to power
  • Faulty sensor

Diagnostic steps

  1. Test voltage
  2. Check for shorts

Repair notes

Replace sensor.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →