Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSDODGE AND RAM2010CHARGER SE, 5.7 TREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMS(HVAC SYSTEMS (ATC) - ELECTRICAL DIAGNOSTICS)DTC TROUBLESHOOTINGB1610-AMBIENT LIGHT SENSOR INPUT CIRCUIT LOWDIAGNOSTIC TEST

2010 Dodge and Ram Charger SE, 5.7 T

Diagnostic Test

2010 Dodge and Ram Charger SE, 5.7 TSECTION Diagnostic Test

CHECK FOR DTC B1610-AMBIENT LIGHT SENSOR INPUT CIRCUIT LOW WITH SUN SENSOR HARNESS CONNECTOR DISCONNECTED

Fig 1: Sun Sensor Harness Connector
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Sun Sensor harness connector.
3. Turn the ignition on.
4. With the scan tool, erase HVAC DTCs.
5. Turn the ignition off, wait 10 seconds, and turn the ignition on.
6. With the scan tool, read HVAC DTCs.
  Does the scan tool display: B1610-AMBIENT LIGHT SENSOR INPUT CIRCUIT LOW?
  
  Yes
  - Go to step 2
  No
  - Replace the Sun Sensor in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure
CHECK (L24) AUTO HEADLAMPS SIGNAL CIRCUIT FOR A SHORT TO GROUND

Fig 2: Checking Auto Headlamps Signal Circuit For A Short To Ground
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the A/C Heater Control C1 harness connector.
3. Measure the resistance of the (L24) Auto Headlamps Signal circuit between ground and the A/C Heater Control C1 harness connector.
  Is the resistance below 10k ohms?
  
  Yes
  - Repair the (L24) Auto Headlamps Signal circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure
  No
  - Go to step 3
CHECK (L24) AUTO HEADLAMPS SIGNAL CIRCUIT FOR A SHORT TO (G939) SUN SENSOR RETURN CIRCUIT

Fig 3: Checking Auto Headlamps Signal Circuits
Courtesy of CHRYSLER LLC
1. Measure the resistance between the (L24) Auto Headlamps Signal circuit and the (G939) Sun Sensor Return circuit in the A/C Heater Control C1 harness connector.
  Is the resistance below 10k ohms?
  
  Yes
  - Repair the (L24) Auto Headlamps Signal circuit for a short to the (G939) Sun Sensor Return circuit.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure
  No
  - Replace the A/C Heater Control in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.