P0336 Code: Dodge Charger (2021-2023) - Causes, Symptoms & Fixes

COMPREHENSIVE DIAGNOSTIC GUIDE: OBD2 CODE P0336 ON 2021-2023 DODGE CHARGER

Note on data: The provided NHTSA data for 2021-2023 Dodge Charger shows no owner complaints and no recalls in the database for this issue. No recalls found in NHTSA database.

1. CODE MEANING AND SEVERITY

• What P0336 means: P0336 is the OBD-II generic code for Crankshaft Position Sensor A Circuit Range/Performance. In plain terms, the Powertrain Control Module (PCM) is detecting the crankshaft position sensor signal is not within expected range or cannot be read reliably. The sensor (often referred to as CKP) provides a timing reference that lets the PCM know the engine’s crank position and speed.
• Severity and impact: High potential for drivability problems. P0336 can cause hard starts, intermittent starting, stalling, misfires, reduced power, and limp/home-mode operation. In some cases the engine may not start at all. Because the CKP signal is fundamental to ignition and fuel timing, treating this quickly is advised to avoid damaging catalytic converters or suffering a breakdown on the road.
• What to expect after repair: Once the CKP circuit is repaired and the PCM sees a stable CKP signal, the vehicle should start consistently and idle/performance should return to normal. After any repair, clear the codes and perform a road test to confirm the fault does not return.

2. COMMON CAUSES ON DODGE CHARGER

• Faulty Crankshaft Position Sensor (CKP) A circuit sensor: worn sensor element, internal short, or failure to generate a clean signal.
• Damaged, corroded, or loosened CKP sensor wiring or connector: broken wires, worn insulation, poor grounds, bent pins, or moisture ingress.
• CKP sensor installation issues or incorrect sensor: wrong part type (new sensor but incorrect application), or misalignment.
• Damaged reluctor ring or timing-related failure: a bent or misaligned reluctor ring or a timing-related issue can cause the CKP reading to be out of range.
• PCM/ECU software or calibration issue: rare, but some vehicles can exhibit false CKP range readings due to software glitches; normally resolved with software/Calibration updates from the dealer.
• Mechanical timing concerns (less common but possible): timing chain/belt wear or jumped timing can affect CKP signal timing relative to the actual crank position.
• Contamination or oil ingress around the sensor: oil leaks or debris can affect the sensor signal.
• Electrical noise or parasitic draws: excessive electrical noise on the CKP circuit from other sensors or wiring harness issues.

3. SYMPTOMS

• Engine may crank but fail to start, or start inconsistently.
• Stalling or misfiring during idle or under load.
• Rough or unstable idle.
• Check Engine light (CEL) with the P0336 code displayed.
• Noticeable loss of power or reduced engine performance.
• Engine may enter a limp/limited power mode depending on the vehicle’s protection strategy.

4. DIAGNOSTIC STEPS
   A systematic approach to diagnose P0336 on a 2021-2023 Dodge Charger:

Step 0: Verify the fault

• Use an OBD-II scanner to confirm P0336 is current and note any freeze-frame data (engine RPM, temperature, load, etc.).
• Check for related codes (P0335, P0337, P0338, etc.), as multiple CKP-related codes can point to harness or PCM issues.

Step 1: Inspect basic vehicle health

• Check battery voltage and charging system (12.6V+ with engine off; 13.8–14.8V with engine running). A weak battery or poor charging can cause erratic sensor readings or misreads.
• Look for obvious issues: oil leaks around the front of the engine, damaged wiring harnesses, loose connectors, or moisture in connectors.

Step 2: Visual and connector check

• Inspect the CKP sensor and its wiring harness and connector for signs of damage, corrosion, oil exposure, or loose pins.
• Disconnect the CKP connector, inspect the pins and the mating half for corrosion or bent pins; ensure there is no oil contamination.
• Check for bent or damaged reluctor ring or interference with the sensor’s sensing area.

Step 3: Signal and continuity check (need a suitable tool)

• With the ignition off, disconnect the CKP sensor and check for continuity to ground and to the PCM input circuit according to the factory wiring diagram (or a reliable repair guide for the exact engine variant in your Charg­er).
• Reconnect and, with the ignition on (engine off), use a multimeter or oscilloscope to observe the CKP signal from the sensor when the engine is cranked (or use a scope if available). You should see a clean, consistent waveform or digital signal that changes with engine speed. A highly erratic or missing signal indicates a sensor or wiring fault.
• If equipped, verify the CKP sensor resistance per the service manual. Compare against manufacturer spec. A resistance value out of spec, or an open/short, indicates a bad sensor or wiring problem.

Step 4: Mechanical timing considerations

• If the CKP signal appears correct but misalignment is suspected, inspect timing components (timing chain/belt, tensioners, and guides) for wear or a potential jump. This step is more invasive and typically considered if there are additional symptoms (no-start after timing component issues, metallic noise, or if a timing fault is suspected during inspection).
• Check for a damaged or bent reluctor ring near the crankshaft.

Step 5: Check for additional related sensors and conditions

• Evaluate CAM sensor interaction (P0340 family codes) and their effect on the engine’s timing references. While P0336 is CKP-focused, a failing CAM sensor or timing reference could complicate diagnosis.
• Ensure there are no other ignition or fuel system faults that could mask or mimic CKP issues (e.g., fuel pump, injector, ignition coil problems).

Step 6: PCM and software considerations

• If all physical checks pass, consider a PCM software update or reflash if a TSB exists for your engine variant (note: the provided data indicates no recalls; no TSBs are cited here). Dealers sometimes release software updates to address ignition/CKP sensing anomalies.

Step 7: Repair or replace components

• If a faulty CKP sensor is found, replace it with the correct part for the engine variant. Recheck CKP signal after replacement.
• If wiring/harness damage is found, repair or replace the damaged section and restore proper shielding and grounding.
• If a mechanical timing issue is found, perform the necessary timing component service (timing chain/belt, tensioners, guides) as needed.
• After any repair, clear codes and perform a test drive to verify the issue is resolved.

5. RELATED CODES

• P0335: Crankshaft Position Sensor A Circuit Malfunction (often a precursor or companion code when CKP signal is lost entirely)
• P0337: Crankshaft Position Sensor A Circuit Low Input
• P0338: Crankshaft Position Sensor A Circuit High Input
• P0339 (less common in modern practice for CKP, but included in some sets as CKP-related intermittent faults)
  Note: These related codes indicate various CKP signal issues (range, low, high, intermittent) and are commonly used to help isolate whether the problem is sensor, wiring, or PCM-related.

6. REPAIR OPTIONS AND COSTS (2025 PRICES)
   Prices are approximate and can vary by region, shop, and engine variant (3.6L V6, 5.7L Hemi, etc.). Labor times assume a typical front-engine layout found on Chargers and standard shop rates.

• CKP sensor replacement

  • Parts: roughly $20–$120 (OEM vs aftermarket, caliber varies by engine variant)
  • Labor: roughly $60–$150 (0.5–1.5 hours)
  • Typical total: $80–$270
  • Notes: Most straightforward CKP issues involve a failed sensor; replacement is commonly successful and not highly invasive.

• CKP sensor wiring harness repair or connector replacement

  • Parts: $10–$100 (wiring/harness repairs or connectors)
  • Labor: $60–$180 (1–2 hours)
  • Typical total: $70–$280
  • Notes: If the wiring is damaged, you may need pin repair, crimp connectors, or harness replacement.

• PCM/software update or programming (rare for CKP-only issues)

  • Parts: minimal
  • Labor: $80–$150 (software update or reflashing)
  • Typical total: $80–$200

• Timing components repair (timing chain/belt, tensioners, guides) if timing issue is suspected

  • Parts: $100–$500 (timing components, depending on engine)
  • Labor: $500–$1,500
  • Typical total: $600–$2,000+
  • Notes: This is a major repair and invoked only if mechanical timing concerns are diagnosed. Not a first-line CKP fault fix unless confirmed.

• Reluctor ring/engine front timing cover work (rare)

  • Parts: varies
  • Labor: significant
  • Typical total: commonly $1,000–$3,000+ depending on access and engine variant

• Wheel/engine mechanical repair (general) if found

  • This includes crankshaft position related mechanical issues and should be treated as a higher-cost repair.

DIY vs PROFESSIONAL

• DIY-friendly aspects: Replacing a CKP sensor is a doable task for a reasonably handy home mechanic if you have basic hand tools, a reliable jack/ramps, and a good replacement sensor. It typically requires disconnecting battery, locating the CKP sensor, unplugging the connector, removing mounting bolts, and installing the new sensor with proper torque. Always follow service manual torque specs. After replacement, clear codes and run the engine to verify.

• Professional considerations: If you do not have reliable access to a good diagnostic scanner, an oscilloscope, or if you are not comfortable with engine electronics and sensor testing, a professional diagnosis is advised. A technician can accurately interpret CKP waveform data, confirm wiring integrity, and determine whether a timing issue or PCM fault is at play. Timing component issues require heavy disassembly and should be left to a shop.

• Pros of DIY: Lower cost, quick turnaround for straightforward CKP sensor replacement, good learning experience.

• Cons of DIY: Risk of misdiagnosis, electrical harness damage, or incorrect sensor handling. Some engines in Chargers may require specialty tools or access to service manuals; improper installation may lead to longer-term problems.

• Safety: Always disconnect the battery before working on sensors, use proper PPE, support the vehicle safely, and follow proper torque specs when reassembling components.

7. PREVENTION

• Regular maintenance and early diagnostics:
  • Keep the electrical system in good health: ensure clean, dry connectors; fix oil leaks promptly that could contaminate sensors and wiring.
  • Regularly inspect the CKP wiring harness route for wear and chafing, particularly where it crosses sharp edges or near moving parts.
  • Keep battery and charging system healthy to avoid voltage dips that can affect sensor readings.
• Use quality parts:
  • When replacing CKP sensors, use a reputable OEM or high-quality aftermarket part to ensure accurate signal generation.
• Avoid moisture intrusion:
  • Check for seals and grommets around sensor housings; replace degraded seals to keep water and oil out of sensor connectors.
• Software updates:
  • If your dealer issues a software update for CKP signal handling or time management, consider performing it as recommended.
• Driving habits:
  • Sudden, aggressive starts or frequent stalling can stress the electrical system; smoother starts can help protect the CKP circuit over time.

8. DATA LIMITATIONS AND CONTEXT

• The current dataset for 2021-2023 Dodge Charger shows no official recalls or owner complaints for P0336 in the NHTSA data provided. That means there is limited model-specific complaint data in this source, and this guide relies on general OBD-II CKP diagnostics, common failure modes for CKP-related codes, and standard repair estimates. If you encounter a P0336 on a Charger, it is important to perform a thorough diagnostic as outlined above, since CKP issues can be caused by sensor faults, wiring problems, or mechanical timing concerns.
• Because the data shows no recalls and no complaints, this guide emphasizes diagnostic triage, verifying sensor signal integrity, and ruling out wiring/mechanical issues before replacing parts.

Summary

• P0336 on a 2021-2023 Dodge Charger indicates CKP signal range/performance issues. Start with a thorough electrical and signal integrity check of the CKP sensor and its wiring, confirm the mechanical timing if needed, and only then pursue sensor replacement or more invasive repairs. Budget for parts and labor as outlined, with DIY replacement of the CKP sensor being the most common and cost-effective fix for a faulty sensor, while more involved timing or PCM work will require professional service.