P0367 medium Severity

P0367: Camshaft Position Sensor B Circuit Low Input

Engine timing data may be incorrect leading to misfires, stalling, rough idle and reduced power

Overview

OBD-II P0367 generic code indicates that the Engine Control Module (ECM) has detected a low voltage signal from the Camshaft Position Sensor 'B' circuit on Bank 1, often due to sensor, wiring, or electrical issues affecting camshaft timing reference

Common Symptoms

  • Check Engine Light illuminated
  • Rough idle or unstable rpm
  • Reduced engine power or hesitation
  • Hard starting or stalling

Most Common Causes

Faulty Camshaft Position Sensor B high

Sensor may produce weak output or no signal due to internal failure

Damaged, corroded or shorted wiring/connectors in sensor circuit high

Open circuits or shorts can pull voltage low at ECM

Poor ground or power supply to sensor medium

High resistance in ground or reference circuits can mimic low signal

ECM input driver failure or software misinterpretation low

Rare but possible when sensor and wiring test good

Camshaft timing chain/belt misalignment affecting sensor waveform low

Mechanical timing issues can create erratic or weak signal

Diagnostic Steps

  1. Use professional OBD-II scanner to confirm P0367 and record related codes
    Expected: P0367 stored, no conflicting codes that point elsewhere
    Interpretation: Isolate sensor B circuit issue before further steps
  2. Perform visual inspection of sensor B wiring and connector for damage, corrosion, or loose pins
    Expected: No visible damage and good connector condition
    Interpretation: If damage found, repair before further tests
  3. With ignition ON, test sensor reference voltage and ground at connector
    Expected: Reference ~5V, ground near 0V
    Interpretation: Low or absent reference/ground suggests wiring or ECU power/ground issue
  4. Measure sensor signal output using multimeter or oscilloscope while cranking/running
    Expected: Proper waveform with expected frequency
    Interpretation: Poor waveform suggests sensor or timing issue
  5. If electrical tests pass, verify camshaft timing alignment per OEM specs
    Expected: Camshaft timing within specifications
    Interpretation: Out-of-spec timing indicates mechanical cause
  6. Substitute with known good sensor if available
    Expected: Code clears and data normal
    Interpretation: Confirms sensor as root cause
  7. Evaluate ECM input driver or software if other steps do not resolve
    Expected: ECM internal fault detected
    Interpretation: ECM repair/reprogram needed

Repair Solutions

Replace Camshaft Position Sensor B easy
Estimated Cost: $100 - $300

Typical first fix when sensor fails testing

Repair or replace damaged wiring/connectors medium
Estimated Cost: $50 - $200

Costs vary with harness complexity and access

Restore proper ground and reference supply medium
Estimated Cost: $30 - $100

Often simple but requires accurate electrical diagnosis

Correct camshaft timing hard
Estimated Cost: $300 - $900

Involves timing chain or belt service

ECM repair or reprogramming hard
Estimated Cost: $500 - $1200

Consider only after ruling out all other causes

Common Misdiagnoses

Avoid these common diagnostic mistakes:

  • Replacing sensor without checking wiring or reference/ground integrity
  • Assuming battery/starter are unrelated without checking voltage stability
  • Blaming ECM without verifying sensor and wiring first

Frequently Asked Questions

Technical definition of P0367 OBD-II Code

Camshaft Position Sensor B Circuit Low Input is the standard definition for P0367. This diagnostic code is triggered when the ECU detects a problem in the Sensors.

How serious is the P0367 code?

The P0367 code is considered medium severity. Engine timing data may be incorrect leading to misfires, stalling, rough idle and reduced power

What are the symptoms of P0367?

Drivers often report: Check Engine Light illuminated, Rough idle or unstable rpm, Reduced engine power or hesitation when this code is present.

What parts fail when P0367 is set?

Potential culprits include: Faulty Camshaft Position Sensor B, Damaged, corroded or shorted wiring/connectors in sensor circuit, Poor ground or power supply to sensor. A proper diagnosis is recommended.

What is the price difference for fixing P0367?

Expect to pay around $100 if the issue is a Restore proper ground and reference supply, but up to $1200 if the ECM repair or reprogramming needs replacement.

Is the P0367 code specific to Dodge?

This is a universal code. You might see P0367 on Ford, Chevrolet, Toyota, Honda, Nissan, or any other OBD-II vehicle.

User Comments (0)

Share your experience or ask a question about this code.

Be the first to share your experience with P0367!