C0710 on 2017-2019 GMC Yukon Denali: StabiliTrak and Steering Angle Sensor Faults

What's Unique About the 2017-2019 Gmc YUKON DENALI

For this specific generation of Yukon (K2XX platform), a known weak point is the wiring harness located on the left side of the instrument panel. [4, ⭐ MANUFACTURER TSB — highest authority] A General Motors Technical Service Bulletin (TSB #PIT5288H) directly links code C0710 to this harness chafing against the I/P mounting bracket, often near the park brake lever. [⭐ MANUFACTURER TSB — highest authority] This can cause a host of electrical issues beyond just the StabiliTrak system. [⭐ MANUFACTURER TSB — highest authority, 32] While the sensor itself can fail, this specific wiring problem is a well-documented primary diagnostic path for these vehicles and their platform mates like the Chevrolet Tahoe and Cadillac Escalade. [4, ⭐ MANUFACTURER TSB — highest authority] Another known issue on this platform is a poor BCM ground at G218, which can cause a wide range of electrical issues, including C0710.

Diagnostic Flowchart

Tap your situation to follow the diagnostic path that matches what you're seeing on this vehicle.

Symptoms You May Notice

• "Service StabiliTrak" message on the dashboard
• Traction control warning light is on
• ABS warning light may be on
• In some cases, as noted by TSB #PIT5288H, other electrical issues like inoperative rear windows/wipers, no audio, a blank touch screen, or a dead battery may occur. [⭐ MANUFACTURER TSB — highest authority, 32]

Most Likely Causes

1. Chafed Wiring Harness 🔴 High Probability TSB #PIT5288H specifically calls out a wiring harness being pinched between the left Instrument Panel (I/P) mounting bracket and the body as a common point of failure for a group of codes including C0710. [⭐ MANUFACTURER TSB — highest authority, 6] This is a known issue across the entire K2XX platform.
   How to confirm: Visually inspect the wiring harness on the left side of the instrument panel, specifically near the parking brake lever and I/P mounting bracket, for signs of chafing, rubbing, or damaged wires. The TSB notes it can be difficult to see and advises checking if the harness can move freely. [⭐ MANUFACTURER TSB — highest authority]
   Typical fix: Repair the damaged section of the wiring harness and secure it to prevent future chafing. The TSB suggests loosening the I/P bracket to free the harness for repair. [⭐ MANUFACTURER TSB — highest authority]
   Est. part cost: $5-$50 for wiring repair supplies
2. Faulty Steering Angle Sensor (SAS) 🟡 Medium Probability → Shop Steering Angle Sensor The sensor is a complex electronic component that can fail internally over time, a common issue across many GM platforms. A failure will prevent the EBCM from receiving a valid signal.
   How to confirm: Use a scan tool to monitor the live data from the Steering Angle Sensor. The angle should read near 0° when driving straight and change smoothly from approximately -500° to +500° when the wheel is turned. If the readings are erratic, do not change, or are stuck at a fixed value, the sensor is likely bad.
   Typical fix: Replace the Steering Angle Sensor 🎬 See this walkthrough for replacing the steering wheel position sensor. and perform a calibration with a compatible scan tool.
   Est. part cost: $90-$200
3. Needs Steering Angle Sensor Calibration ⚪ Low Probability → Shop Steering Angle Sensor This can occur after a wheel alignment, battery replacement, or replacement of steering/suspension components if the sensor is not recalibrated. A user on TahoeYukonForum confirmed a C0710 code appeared after a rack and pinion replacement because the steering was off by a full turn, which was fixed by mechanically centering the steering shaft and recalibrating.
   How to confirm: If the code appeared immediately after other service work, this is a likely cause. A scan tool is needed to check the current calibration status and perform the relearn procedure.
   Typical fix: Perform the Steering Angle Sensor calibration procedure using a compatible professional scan tool.
   Est. part cost: $0

Rare But Worth Checking

• Faulty Electronic Brake Control Module (EBCM): The EBCM is the computer that receives the signal from the SAS. While rare, an internal failure of the EBCM can prevent it from properly reading a good sensor signal. This is usually diagnosed only after confirming the sensor and wiring are good.
• Improper Wheel Alignment: A severe misalignment can cause the steering wheel to be off-center, creating a discrepancy between what the SAS reports and what other sensors (like wheel speed sensors) report, potentially triggering the code. A forum user reported this exact scenario resolved their C0710 code.
• Poor BCM Ground at G218: TSB #PIT5405C identifies that sound-deadening insulation can get trapped under the G218 ground terminal, located under the driver's side dash near the A-pillar. This causes a poor ground for the Body Control Module (BCM), leading to a wide range of seemingly unrelated electrical issues, including communication codes that can accompany C0710.

Diagnosis Steps

1. Read all fault codes from the EBCM and other modules with a professional scan tool.
2. Use the scan tool to view live data for the Steering Angle Sensor. Turn the steering wheel lock-to-lock and verify the angle readings change smoothly and logically, from approximately -500 to +500 degrees.
3. If live data is frozen, erratic, or absent, proceed to inspect the wiring. If data looks good, a calibration issue may be the cause.
4. Following TSB #PIT5288H, carefully inspect the wiring harness located in the left instrument panel area, near the parking brake lever and I/P mounting bracket, for any signs of chafing, pinching, or damage. [⭐ MANUFACTURER TSB — highest authority]
5. If the harness is damaged, repair the affected wires and protect the harness from future damage. Clear codes and re-test.
6. If the harness is intact, inspect the electrical connector at the Steering Angle Sensor for corrosion or loose pins.
7. If wiring and connections are good, the Steering Angle Sensor is the most likely culprit. Replace the sensor.
8. After any repair (wiring or sensor replacement), perform the Steering Angle Sensor calibration using a compatible scan tool. This step is mandatory. Clear all codes and test drive to confirm the fix.

Parts You'll Likely Need

• Steering Angle Sensor (OEM #13590209) — This sensor is the component that measures steering wheel rotation and is the most common part to fail if wiring is not the cause. This part number is confirmed to fit 2015-2020 Yukon models.
  Trusted brands: ACDelco (GM Genuine), Dorman
  OEM price range: $150-$200
  Aftermarket price range: $90-$140
• Wiring Repair Supplies — Needed if the cause is the chafed harness per TSB #PIT5288H. Includes Tesa tape, wire, and connectors.
  Trusted brands: 3M, Tesa
  OEM price range: N/A
  Aftermarket price range: $10-$50

Related Codes That Often Appear With This One

• U0126 — This code means "Lost Communication With Steering Angle Sensor Module." It often appears with C0710 when the issue is a complete electrical break, such as a chafed wire or bad connector. [⭐ MANUFACTURER TSB — highest authority, 6]
• C0544 — This code is also mentioned in TSB #PIT5288H alongside C0710, indicating they can share the same root cause in the instrument panel wiring harness. [⭐ MANUFACTURER TSB — highest authority, 29] Forum users confirm seeing and clearing both codes after a successful repair.
• U0077, U0151, U0415 — These are various communication codes also listed in TSB #PIT5288H, pointing towards a broader network issue caused by the same chafed wiring harness. [⭐ MANUFACTURER TSB — highest authority, 10]

Technical Service Bulletins (TSBs) & Recalls

• PIT5288H: Addresses multiple DTCs, including C0710, caused by a chafed wire harness in the left instrument panel, leading to various electrical issues like 'Service Stabilitrak', no audio, and dead batteries. It applies to 2015-2020 Yukon/Tahoe/Escalade and 2014-2019 Silverado/Sierra. [⭐ MANUFACTURER TSB — highest authority, 6]

Platform-Specific Known Issues

• TSB #PIT5288H documents a recurring issue where a wiring harness in the left instrument panel chafes against a metal mounting bracket near the park brake lever, causing C0710 and other electrical fault codes. This is a primary diagnostic path for these vehicles. [⭐ MANUFACTURER TSB — highest authority, 6]

Mechanic-Grade Diagnostic Values

• Steering Angle Sensor 5V Reference Circuit — expected: 4.8-5.2 V between the 5V reference circuit terminal and ground.. Failure: A voltage less than 4.8V or greater than 5.2V indicates a fault in the circuit or the EBCM.
• Steering Angle Sensor Low Reference Circuit to Ground — expected: Less than 20 Ω.. Failure: Resistance greater than 20 Ω indicates high resistance or an open in the ground circuit.
• Steering Angle Sensor Signal Circuit (Analog Backup) — expected: Approximately 2.5V with wheels straight. Should sweep smoothly when turning.. Failure: Voltage is stuck, does not sweep, or is outside the 0.4V to 4.6V range, indicating a sensor or wiring issue.

Hidden / Shadow Codes Worth Checking

• C0710 5A: Steering Position Signal Plausibility Failure. This specific symptom byte means the EBCM is receiving a signal, but it conflicts with other data (like wheel speed or yaw rate). This often points to an alignment issue, a sensor that's not centered, or a mechanical problem. (see via Professional scan tools with GM-specific software (e.g., GDS2, high-end Autel/Launch) can read symptom bytes from the EBCM.)
• C0710 42: Steering Wheel Angle Signal Calibration Not Programmed. This symptom byte explicitly indicates that the calibration procedure has not been completed or was unsuccessful. It's a direct command to perform the SAS learn procedure. (see via Visible on professional scan tools with GM-specific software when accessing EBCM fault codes.)

Scan Tool Commands That Help

• GDS2 (GM Global Diagnostic System 2): Steering Wheel Angle Sensor Learn — This function is mandatory after replacing the Steering Angle Sensor, the EBCM, or after performing a wheel alignment. It is found under 'Module Diagnostics' -> 'Electronic Brake Control Module' -> 'Configuration/Reset Functions'.

Wiring & Ground Locations

• G218 — Under the driver's side of the instrument panel, near the base of the A-pillar, behind the kick panel.. This is a primary ground point for the Body Control Module (BCM). TSB #PIT5405C notes that sound-deadening material often gets trapped under this ground ring, causing high resistance. A poor BCM ground can cause a cascade of communication errors across the vehicle's networks, including the CAN bus that the Steering Angle Sensor uses to communicate with the EBCM, leading to C0710 and other codes.
• I/P Harness at Mounting Bracket — On the left side of the instrument panel, near the park brake lever assembly. The harness can get pinched between the main instrument panel mounting bracket and the body. [⭐ MANUFACTURER TSB — highest authority]. TSB #PIT5288H specifically identifies this as a chafe point that damages wires within the harness, causing open or shorted circuits for multiple components, including the CAN bus lines for the Steering Angle Sensor. [⭐ MANUFACTURER TSB — highest authority, 6]

Real Owner Repair Stories

• TahoeYukonForum user (2015+ K2XX Platform Truck/SUV) — Service Stabilitrak message, code C0710.
  ❌ Tried (didn't work) Rack and pinion was replaced, alignment performed.
  ✅ What actually fixed it The steering shaft was installed one full turn off-center during the rack and pinion replacement. A technician disconnected the steering shaft under the hood, physically centered it to 0 degrees, and then performed a calibration, which permanently cleared the code.
• YouTube video by 'Ford Boss Me - Auto / Politics / Family' (2014-2018 GM Truck) — Flickering dash lights, multiple seemingly unrelated error codes, Service Stabilitrak message.
  ❌ Tried (didn't work) Initial diagnosis pointed towards multiple failing modules.
  ✅ What actually fixed it The issue was a poor ground connection at G218, located behind the driver's side kick panel. Insulation material was trapped under the ground ring terminal. Cleaning the contact surfaces and properly tightening the ground nut resolved all electrical issues.
• CarGurus user (2007 Chevrolet Malibu (similar system logic)) — Code C0710 and U2143 (Lost Communication with SAS) after parts replacement.
  ❌ Tried (didn't work) Replaced Steering Angle Sensor., Replaced Electronic Brake Control Module (EBCM) and programmed it., Performed steering sensor and torque sensor calibration.
  ✅ What actually fixed it The user was still diagnosing, but had confirmed good 5V reference and ground at the sensor, with signal wires showing 2.5V. This points towards a wiring break or communication issue on the CAN bus between the SAS and the EBCM that was not resolved by replacing the modules themselves, highlighting the importance of checking the harness wiring (as per TSB PIT5288H) even after replacing parts.

OEM Part Supersession History

• 13590209 → 13590209 (current) — No major supersession found. This part number remains the primary replacement for the 2017-2019 Yukon.
  Heads up: This part requires programming/calibration after installation to function correctly with the vehicle's EBCM.