What does P03E6 mean?

Camshaft Position Actuator Position Sensor C Range/Performance Bank 1 Potential rough running, misfires, and degraded engine timing/efficiency

AutoFixDB - Free OBD-II diagnostic trouble code lookup. Find causes, symptoms, diagnostic steps and repair solutions.

Overview

OBD-II P03E6 is a camshaft position actuator position sensor C range/performance code for bank 1, indicating sensor signal outside expected parameters due to sensor fault, wiring, or control issues.

Common Symptoms

Illuminated check engine light
Engine rough idle or misfire symptoms
Degraded fuel economy or performance

Most Common Causes

Faulty camshaft position actuator position sensor C medium

Engine control module has detected out-of-range performance from the sensor on bank 1.

Wiring or connector issue in sensor circuit medium

Damaged, corroded, or intermittent wiring can cause incorrect or unstable sensor signals.

Engine control module (ECM) malfunction low

Less common; ECM may misinterpret signals or have internal fault.

Insufficient engine oil pressure or contamination affecting cam actuator low

Some sources suggest low oil level/pressure or clogged actuator can affect cam timing sensors.

Diagnostic Steps

Connect an OBD-II scanner and confirm P03E6 present with freeze frame data

Expected: P03E6 code stored with relevant engine conditions

Interpretation: Verifies code and conditions under which it set
Visually inspect camshaft position actuator sensor wiring and connectors on bank 1 sensor C

Expected: No corrosion, broken wires, or loose connectors

Interpretation: Damage here often causes out-of-range sensor readings
Using a multimeter, test sensor signal and reference voltage per factory specs

Expected: Steady reference and signal voltage within spec

Interpretation: Abnormal values indicate sensor or wiring problem
If wiring and connectors pass, replace camshaft position actuator position sensor C

Expected: Sensor outputs correct signal and code clears

Interpretation: Confirms sensor was cause if code does not return
If code persists, evaluate ECM operation or consider professional diagnostic

Expected: No change after sensor replacement

Interpretation: Points to ECM or rare mechanical influence

Repair Solutions

Replace camshaft position actuator position sensor C medium

Estimated Cost: $120 - $350

Part cost and labor vary by vehicle; sensor replacement often resolves the code.

Repair or replace wiring/connectors in sensor circuit medium

Estimated Cost: $50 - $200

Includes repairing damaged wiring or connector pins; reduces intermittent faults.

Professional ECM diagnosis/repair hard

Estimated Cost: $200 - $800

Required when sensors and wiring check good but code persists.

Common Misdiagnoses

Avoid these common diagnostic mistakes:

Fuel injector fault (incorrectly attributed due to misfire symptoms)
Crankshaft position sensor error
Generic misfire or ignition coil issue

Frequently Asked Questions

Can you explain the meaning of P03E6?

Camshaft Position Actuator Position Sensor C Range/Performance Bank 1 is the standard definition for P03E6. This diagnostic code is triggered when the ECU detects a problem in the Sensors.

Can P03E6 cause engine damage?

The P03E6 code is considered medium severity. Potential rough running, misfires, and degraded engine timing/efficiency

Common signs of the P03E6 error code

Common symptoms include: Illuminated check engine light, Engine rough idle or misfire symptoms, Degraded fuel economy or performance. You might also notice the Check Engine Light is on.

Potential causes for OBDII code P03E6

Potential culprits include: Faulty camshaft position actuator position sensor C, Wiring or connector issue in sensor circuit, Engine control module (ECM) malfunction. A proper diagnosis is recommended.

How much does it cost to fix P03E6?

It depends on what needs to be fixed. Repair or replace wiring/connectors in sensor circuit repairs are cheaper (~$200), while Professional ECM diagnosis/repair repairs are on the higher end (~$800).

Is the P03E6 code specific to Dodge?

The P03E6 code is a generic powertrain code, meaning it applies to almost all makes and models, such as Honda, Toyota, VW, Ford, and Chevy.

P03E6: Camshaft Position Actuator Position Sensor C Range/Performance Bank 1