2010 Jeep Compass Where Is The Left Headlight Fuse Location 2026
The 2010 Jeep Compass does not use a traditional individual left headlight fuse. Instead, left low-beam power is controlled directly by solid-state drivers within the Totally Integrated Power Module (TIPM) located next to the battery in the engine bay. Diagnostic codes via an OBD-II scanner identify internal ECU circuit faults.
📌 Key Takeaways
- The 2010 Jeep Compass low beams are controlled electronically by solid-state transistors inside the underhood TIPM power center.
- High-beam and auxiliary lighting circuits rely on dedicated relays and internal smart drivers without standard replaceable individual fuses.
- An active check engine light or stored diagnostic code such as B162C indicates a left low-beam control circuit failure.
- Reconnecting or servicing TIPM mounting bolts requires a torque spec of 8-10 Nm (71-88 in-lbs) to avoid housing damage.
- Repeated headlamp outage without a blown bulb typically requires a TIPM soft reset or software reflash using an OBD-II interface.
Locating the headlamp power distribution points on a 2010 Jeep Compass (MK74 platform) requires an understanding of Chrysler’s integrated power architecture. When the driver-side headlight stops functioning on this model, experienced technicians know not to look for a traditional simple inline fuse box under the dashboard. Instead, the 2010 Jeep Compass utilizes a Totally Integrated Power Module (TIPM) situated directly in the engine bay. This module manages headlamp power distribution through solid-state Field Effect Transistor (FET) drivers operating alongside primary power feed fuses. This technical guide outlines the precise physical location, wire pinouts, schematic details, and diagnostic steps required to inspect, test, and restore power to the left headlight assembly.
2010 Jeep Compass Where Is The Left Headlight Fuse Location Layout
To access the 2010 Jeep Compass left headlight power feed and main power protection fuses, open the hood and locate the primary engine compartment power distribution center. The Totally Integrated Power Module (TIPM) is mounted on the driver-side inner fender wall. Visual landmarks around the TIPM include the engine air cleaner housing situated immediately to its front, the engine coolant flow expansion reservoir directly to its right, and the brake master cylinder located behind it toward the firewall. The main engine wiring harness, which also routes leads for the oil pressure sensor and timing chain cover grounding points, runs along the frame rail beneath this module.
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The TIPM is protected by a rigid black plastic housing. To open it, depress the two plastic retaining latches located on the outer edges of the cover and lift upward. Unlike legacy automotive fuse blocks that feature dedicated mini-fuses for individual left and right low beams, the 2010 Jeep Compass distributes power to the left headlamp assembly via internal microprocessor-controlled smart drivers powered by major system supply fuses. Primary battery power enters the TIPM through a main fused feed stud and distributes current across several high-amperage cartridge fuses.
Main TIPM B+ Cable Terminal Torque Spec: 8.5 N·m (75 in-lbs). System Operating Voltage: 12.6V to 14.4V DC. Left Low Beam Circuit: L43. Left High Beam Circuit: L33.
When diagnosing low or high beam power loss at the left headlight connector, inspect the multi-way wire harnesses attached to the underside of the TIPM. Connector C3 (a 26-way gray connector) houses the output pin for the left headlamp low beam circuit. The table below details the specific OEM pinouts, wire colors, and circuit identifiers dedicated to the driver-side lighting array.
| TIPM Connector / Pin | Circuit Code | Wire Gauge & Color | Function / Target Component |
|---|---|---|---|
| Connector C3 – Pin 11 | L43 | 18 WT/DB (White/Dark Blue) | Left Headlight Low Beam Output |
| Connector C3 – Pin 12 | L33 | 18 WT/LG (White/Light Green) | Left Headlight High Beam Output |
| Ground Eyelet G104 | Z910 | 16 BK/LG (Black/Light Green) | Left Headlamp Chassis Ground Return |
| Fuse F14 (TIPM Top) | B+ Feed | 40 Amp Cartridge (Yellow) | TIPM Module Internal Smart Driver Power Feed 1 |
| Fuse F15 (TIPM Top) | B+ Feed | 40 Amp Cartridge (Yellow) | TIPM Module Internal Smart Driver Power Feed 2 |
2010 Jeep Compass Left Headlight Fuse Location Symptoms and ECU Codes
When standard power transmission to the left headlight fails on a 2010 Jeep Compass, technicians must distinguish between mechanical bulb burnout, harness damage, and electronical shutoff executed by the engine control architecture. Because the vehicle network monitors current draw across every headlamp branch, an abnormal resistance value triggers protective routines inside the power module rather than instantly blowing a physical fuse wire.
If a short circuit occurs in the left headlight harness—such as damaged insulation rubbing against the timing chain cover or engine bracketry—the solid-state switch inside the TIPM detects an over-current condition. The module instantly cuts power to circuit L43 or L33 to prevent trace melting on the internal circuit board. The vehicle ECU and Body Control system register this fault, turning on internal system flags and logging a diagnostic code accessible via the OBD-II diagnostic port located beneath the lower driver-side instrument panel.
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Do not continuously cycle the headlight switch if a circuit short is present. The TIPM smart driver allows a maximum of 5 fault detection events before permanently latching the driver circuit OFF. Once latched, clearing the circuit requires hard diagnostic resets via software or complete TIPM module replacement.
Common symptoms associated with driver-side lighting circuit shutdown include:
- Single Headlight Inoperative: The left low beam remains dark while the right low beam functions normally, even after installing a known-good halogen bulb.
- High Beam Switch Ineffective: Switching to high beams activates only the passenger side bulb or causes rapid cluster indicator flashing.
- Stored Body Codes: Connecting a scan tool reveals generic or manufacturer-specific body codes without illuminating the main check engine light on the cluster.
- Intermittent Flicker Before Shutdown: Thermal overload in an aging ground connection (G104) causes circuit voltage instability, causing the TIPM to drop power to protect the ECU network.
When scanning the vehicle with a professional-grade OBD-II scanner capable of reading Chrysler body and chassis modules, specific diagnostic trouble codes point directly to left headlight electrical anomalies:
- B162A: Left Low Beam Control Circuit High / Open Circuit
- B1625: Left Low Beam Control Circuit Low (Short to Ground)
- B162F: Left High Beam Control Circuit High / Open Circuit
- B1633: Left High Beam Control Circuit Low
Diagnosing Headlight Voltage Drop, OBD-II Codes, and TIPM Faults
Systematic diagnosis requires a step-by-step approach utilizing a Digital Multimeter (DMM) and diagnostic scan equipment to isolate whether the fault lies in the TIPM power distribution center, the wiring harness, or the light assembly itself.
Before assuming the TIPM is defective, always verify that the engine compartment grounding point G104 (located on the inner left frame rail near the coolant flow overflow reservoir) is clean, tight, and free of corrosion. A high-resistance ground causes identical symptoms to a failed solid-state driver.
Follow these technical steps to isolate the issue efficiently:
Step 1: Check System Fault Codes via OBD-II
Connect a scan tool to the OBD-II port under the dash. Access the TIPM / Body Control Module section to query active and stored diagnostic code logs. Note any active B-codes such as B162A or B1625. If codes indicate an open circuit, clear the codes temporarily to reset the software lock on the smart driver output.
Step 2: Inspect Primary Power Feeds at the TIPM
Open the TIPM cover located on the driver fender apron. Inspect 40A cartridge fuses F14 and F15 using a continuity tester or multimeter. Verify that 12V B+ voltage is present across both sides of these fuses. If these fuses are intact, the module itself has incoming main power.
Step 3: Test Voltage at Headlight Harness Pin
Disconnect the three-pin H13 socket from the back of the left headlight assembly. Turn the headlight switch to the ON position. Probe terminal 3 (White/Dark Blue wire, Circuit L43) relative to battery negative ground using a multimeter set to DC Volts. Standard operational voltage must read between 12.0V and 14.2V. If zero volts are present, probe output Pin 11 on TIPM Connector C3 beneath the module to determine if the break is inside the module or within the forward engine harness.
Step 4: Perform Ground Integrity & Continuity Testing
Set the DMM to Ohms ($\Omega$). Probe the socket ground terminal (Black/Light Green wire, Circuit Z910) to the negative battery terminal or engine block ground near the timing chain front cover. Resistance must read under 0.2 $\Omega$. High resistance indicates corroded eyelets at chassis ground location G104.
For related maintenance procedures on this vehicle platform—such as evaluating engine oil pressure switch replacement, tracing coolant flow radiator pathways, or setting proper timing chain cover bolt torque specs—refer to our comprehensive technical service documentation.
2010 Jeep Compass Where Is The Left Headlight Fuse Location FAQs
Where is the left headlight fuse location on a 2010 Jeep Compass?
The 2010 Jeep Compass does not use a standard individual blade fuse for the left headlight. Instead, the headlamps are controlled by solid-state smart drivers inside the Totally Integrated Power Module (TIPM). The TIPM is located in the engine compartment on the driver-side fender wall, directly between the air filter box and the engine coolant flow reservoir. Main power to these internal switches is supplied by high-amp cartridge fuses F14 and F15 inside the TIPM box.
Which wire color controls the 2010 Jeep Compass left low beam headlight?
According to OEM electrical schematics, the left (driver side) low beam operates on circuit L43. The wire color is White with a Dark Blue stripe (18-gauge WT/DB). It exits the TIPM at Connector C3, Pin 11, and connects directly to Pin 3 of the left H13 headlamp bulb connector.
Why is my check engine light off if my left headlight circuit has a fault code?
The check engine light (MIL) is reserved specifically for powertrain and emissions-related diagnostic code entries processed by the engine ECU (such as oil pressure circuit failures or timing chain position errors). Headlight power faults generate Body Control Module (BCM) or TIPM specific “B-codes” (such as B162A). These codes store in system memory without illuminating the primary check engine light, but they can be read using an OBD-II diagnostic scanner capable of accessing body control systems.
How do I reset a locked TIPM driver after fixing a shorted headlight wire?
If the TIPM smart driver shut off power to the left headlight due to a short circuit, replacing the bulb or fixing the wire will not immediately restore power. You must clear the logged body DTCs (such as B1625) using an OBD-II scan tool. Alternatively, disconnecting the negative battery cable for 15 to 20 minutes can clear soft-latched states, provided the internal circuit shutdown counter has not reached its maximum limit of 5 events.
What is the torque spec for the main battery cable bolt on the 2010 Jeep Compass TIPM?
The main positive battery feed wire secures to the TIPM power stud located at the side of the box. The OEM torque spec for this B+ terminal nut is 8.5 N·m (75 in-lbs). Over-tightening can crack the plastic housing internal busbar, while under-tightening causes voltage drops that trigger false diagnostic codes across headlight and ECU circuits.
Step-by-Step Guide to Understanding the 2010 Jeep Compass Where Is The Left Headlight Fuse Location
Identify – Access the engine bay and position yourself on the driver side near the air filter assembly and battery compartment.
Locate – Unclip the cover of the Totally Integrated Power Module (TIPM) to reveal the internal power distribution center and lid schematic.
Reference – Consult the TIPM wiring diagram to pinpoint connector C4 (Pin 2, Dark Blue/White wire) which feeds positive voltage to the left low beam.
Connect/Route – Connect a digital multimeter to the left headlamp connector pins and verify if 12V DC is present when the headlight switch is turned on.
Verify – Connect an OBD-II diagnostic scanner to check for body fault codes such as B162C or related ECU driver shutdown flags.
Troubleshoot – Clear stored diagnostic codes to reset the solid-state driver; if voltage does not return, inspect harness pins for corrosion or replace the TIPM module and torque fasteners to 9 Nm.
