07 Tahoe- Code B0163
#2
Administrator
Welcome to the forum.
According to the factory service manual, it is the psgr cmpt temp sensor 1 circuit and is set by the HVAC module. Hope this helps.
According to the factory service manual, it is the psgr cmpt temp sensor 1 circuit and is set by the HVAC module. Hope this helps.
#3
Administrator
I couldn't find the B163 but found these and they are similar in description as 73sharks, they may help narrow the troubleshooting...
DTC B0159 Outside Air Temperature Sensor Circuit Range/Performance
DTC B0164 Passenger Compartment Temperature Sensor #1 (Single Sensor or LH) Circuit Range/Performance
DTC B0159 Outside Air Temperature Sensor Circuit Range/Performance
DTC B0164 Passenger Compartment Temperature Sensor #1 (Single Sensor or LH) Circuit Range/Performance
#4
The numbers below refer to the step numbers on the diagnostic table.
- [*]
</TH><TH vAlign=bottom align=middle>Action
</TH><TH vAlign=bottom align=middle>Value(s)
</TH><TH align=middle>Yes
</TH><TH align=middle>No
</TH></TR><TR><TD vAlign=bottom align=left colSpan=5>Schematic Reference: HVAC Schematics
Connector End View Reference: HVAC Connector End Views
Sensor Resistance Table: Sensor Resistance Table
</TD></TR><TR><TD vAlign=center align=middle>1
</TD><TD vAlign=top align=left>Did you perform the Diagnostic System Check - Vehicle?
</TD><TD vAlign=center align=middle>--
</TD><TD vAlign=bottom align=middle>Go to Step 2
</TD><TD vAlign=bottom align=left>Go to Diagnostic System Check - Vehicle
</TD></TR><TR><TD vAlign=center align=middle>2
</TD><TD vAlign=top align=left>
- Install a scan tool.
- Turn ON the ignition, with the engine OFF.
- With a scan tool, observe the appropriate Duct Actual parameter in the Heating and Air Conditioning data list.
</TD><TD vAlign=center align=middle>5-250 Counts
</TD><TD vAlign=bottom align=left>Go to Testing for Intermittent Conditions and Poor Connections
</TD><TD vAlign=bottom align=middle>Go to Step 3
</TD></TR><TR><TD vAlign=center align=middle>3
</TD><TD vAlign=top align=left>
- Turn OFF the ignition.
- Disconnect the appropriate air temperature sensor.
- Turn ON the ignition, with the engine OFF.
- With a scan tool, observe the appropriate Duct Actual data parameter.
</TD><TD vAlign=center align=middle>250 Counts
</TD><TD vAlign=bottom align=middle>Go to Step 4
</TD><TD vAlign=bottom align=middle>Go to Step 5
</TD></TR><TR><TD vAlign=center align=middle>4
</TD><TD vAlign=top align=left>
- Turn OFF the ignition.
- Connect a 3-amp fused jumper wire between the signal circuit of the air temperature sensor and the low reference circuit of the air temperature sensor.
- Turn ON the ignition, with the engine OFF.
- With a scan tool, observe the appropriate Duct Actual data parameter.
</TD><TD vAlign=center align=middle>5 Counts
</TD><TD vAlign=bottom align=middle>Go to Step 8
</TD><TD vAlign=bottom align=middle>Go to Step 6
</TD></TR><TR><TD vAlign=center align=middle>5
</TD><TD vAlign=top align=left>Test the appropriate signal circuit of the air temperature sensor for a short to ground. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?
</TD><TD vAlign=center align=middle>--
</TD><TD vAlign=bottom align=middle>Go to Step 12
</TD><TD vAlign=bottom align=middle>Go to Step 9
</TD></TR><TR><TD vAlign=center align=middle>6
</TD><TD vAlign=top align=left>Test the signal circuit of the appropriate air temperature sensor for a short to voltage, a high resistance, or an open. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?
</TD><TD vAlign=center align=middle>--
</TD><TD vAlign=bottom align=middle>Go to Step 12
</TD><TD vAlign=bottom align=middle>Go to Step 7
</TD></TR><TR><TD vAlign=center align=middle>7
</TD><TD vAlign=top align=left>Test the low reference circuit of the appropriate air temperature sensor for a high resistance or an open. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
</TD><TD vAlign=center align=middle>--
</TD><TD vAlign=bottom align=middle>Go to Step 12
</TD><TD vAlign=bottom align=middle>Go to Step 9
</TD></TR><TR><TD vAlign=center align=middle>8
</TD><TD vAlign=top align=left>Inspect for poor connections at the harness connector of the appropriate air temperature sensor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
</TD><TD vAlign=center align=middle>--
</TD><TD vAlign=bottom align=middle>Go to Step 12
</TD><TD vAlign=bottom align=middle>Go to Step 10
</TD></TR><TR><TD vAlign=center align=middle>9
</TD><TD vAlign=top align=left>Inspect for poor connections at the harness connector of the HVAC control module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
</TD><TD vAlign=center align=middle>--
</TD><TD vAlign=bottom align=middle>Go to Step 12
</TD><TD vAlign=bottom align=middle>Go to Step 11
</TD></TR><TR><TD vAlign=center align=middle>10
</TD><TD vAlign=top align=left>Replace the air temperature sensor. Refer to the appropriate replacement procedure:
<TABLE border=0><TBODY><TR><TD vAlign=top> • </TD><TD vAlign=top>Air Temperature Sensor Replacement - Upper Auxiliary </TD></TR></TBODY></TABLE>
<TABLE border=0><TBODY><TR><TD vAlign=top> • </TD><TD vAlign=top>Air Temperature Sensor Replacement - Lower Auxiliary </TD></TR></TBODY></TABLE>
<TABLE border=0><TBODY><TR><TD vAlign=top> • </TD><TD vAlign=top>Air Temperature Sensor Replacement - Lower Left Side </TD></TR></TBODY></TABLE>
<TABLE border=0><TBODY><TR><TD vAlign=top> • </TD><TD vAlign=top>Air Temperature Sensor Replacement - Lower Right Side </TD></TR></TBODY></TABLE>
<TABLE border=0><TBODY><TR><TD vAlign=top> • </TD><TD vAlign=top>Ambient Air Temperature Sensor Replacement </TD></TR></TBODY></TABLE>
<TABLE border=0><TBODY><TR><TD vAlign=top> • </TD><TD vAlign=top>Inside Air Temperature Sensor Replacement </TD></TR></TBODY></TABLE>
<TABLE border=0><TBODY><TR><TD vAlign=top> • </TD><TD vAlign=top>Auxiliary Inside Air Temperature Sensor Assembly Replacement </TD></TR></TBODY></TABLE>
Did you complete the replacement?<TABLE border=0><TBODY><TR><TD vAlign=top> • </TD><TD vAlign=top>Air Temperature Sensor Replacement - Lower Auxiliary </TD></TR></TBODY></TABLE>
<TABLE border=0><TBODY><TR><TD vAlign=top> • </TD><TD vAlign=top>Air Temperature Sensor Replacement - Lower Left Side </TD></TR></TBODY></TABLE>
<TABLE border=0><TBODY><TR><TD vAlign=top> • </TD><TD vAlign=top>Air Temperature Sensor Replacement - Lower Right Side </TD></TR></TBODY></TABLE>
<TABLE border=0><TBODY><TR><TD vAlign=top> • </TD><TD vAlign=top>Ambient Air Temperature Sensor Replacement </TD></TR></TBODY></TABLE>
<TABLE border=0><TBODY><TR><TD vAlign=top> • </TD><TD vAlign=top>Inside Air Temperature Sensor Replacement </TD></TR></TBODY></TABLE>
<TABLE border=0><TBODY><TR><TD vAlign=top> • </TD><TD vAlign=top>Auxiliary Inside Air Temperature Sensor Assembly Replacement </TD></TR></TBODY></TABLE>
</TD><TD vAlign=center align=middle>--
</TD><TD vAlign=bottom align=middle>Go to Step 12
</TD><TD vAlign=center align=middle>--
</TD></TR><TR><TD vAlign=center align=middle>11
</TD><TD vAlign=top align=left>Replace the HVAC control module. Refer to Control Module References for replacement, setup, and programming.
Did you complete the replacement?
</TD><TD vAlign=center align=middle>--
</TD><TD vAlign=bottom align=middle>Go to Step 12
</TD><TD vAlign=center align=middle>--
</TD></TR><TR><TD vAlign=center align=middle>12
</TD><TD vAlign=top align=left>
- Use the scan tool in order to clear the DTCs.
- Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
</TD><TD vAlign=center align=middle>--
</TD><TD vAlign=bottom align=middle>Go to Step 2
</TD><TD vAlign=bottom align=middle>System OK
</TD></TR></TBODY></TABLE>
Thread
Thread Starter
Forum
Replies
Last Post
Vinna
Express & G-Series Vans
0
November 12th, 2012 8:51 AM